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12323011302 = 234773148861
BaseRepresentation
bin10110111101000001…
…00011101011100110
31011210210220211120000
423132200203223212
5200214142330202
65354444522130
7614242603440
oct133640435346
934723824500
1012323011302
115254022868
12247ab50346
13121505b584
1484c8a1490
154c1cc791c
hex2de823ae6

12323011302 has 80 divisors (see below), whose sum is σ = 31989848352. Its totient is φ = 3472606080.

The previous prime is 12323011273. The next prime is 12323011321. The reversal of 12323011302 is 20311032321.

12323011302 is a `hidden beast` number, since 1 + 232 + 301 + 130 + 2 = 666.

It is a super-3 number, since 3×123230113023 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8352 + ... + 157212.

Almost surely, 212323011302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12323011302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15994924176).

12323011302 is an abundant number, since it is smaller than the sum of its proper divisors (19666837050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323011302 is a wasteful number, since it uses less digits than its factorization.

12323011302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148955 (or 148946 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12323011302 its reverse (20311032321), we get a palindrome (32634043623).

The spelling of 12323011302 in words is "twelve billion, three hundred twenty-three million, eleven thousand, three hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 73 81 126 146 162 189 219 378 438 511 567 657 1022 1134 1314 1533 1971 3066 3942 4599 5913 9198 11826 13797 27594 41391 82782 148861 297722 446583 893166 1042027 1339749 2084054 2679498 3126081 4019247 6252162 8038494 9378243 10866853 12057741 18756486 21733706 24115482 28134729 32600559 56269458 65201118 76067971 84404187 97801677 152135942 168808374 195603354 228203913 293405031 456407826 586810062 684611739 880215093 1369223478 1760430186 2053835217 4107670434 6161505651 12323011302