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23123033310 = 23513173487637
BaseRepresentation
bin10101100010001111…
…010111110011011110
32012200111001210120010
4111202033113303132
5334323444031220
614342250504050
71446003353166
oct254217276336
965614053503
1023123033310
119896393193
124593a35026
132246708940
141194d975a6
159050141e0
hex5623d7cde

23123033310 has 64 divisors (see below), whose sum is σ = 63279703872. Its totient is φ = 5357008896.

The previous prime is 23123033287. The next prime is 23123033317. The reversal of 23123033310 is 1333032132.

It is a super-2 number, since 2×231230333102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123033317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1737189 + ... + 1750448.

It is an arithmetic number, because the mean of its divisors is an integer number (988745373).

Almost surely, 223123033310 is an apocalyptic number.

23123033310 is an abundant number, since it is smaller than the sum of its proper divisors (40156670562).

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

23123033310 is a wasteful number, since it uses less digits than its factorization.

23123033310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487677.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23123033310 its reverse (1333032132), we get a palindrome (24456065442).

The spelling of 23123033310 in words is "twenty-three billion, one hundred twenty-three million, thirty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 170 195 221 255 390 442 510 663 1105 1326 2210 3315 6630 3487637 6975274 10462911 17438185 20925822 34876370 45339281 52314555 59289829 90678562 104629110 118579658 136017843 177869487 226696405 272035686 296449145 355738974 453392810 592898290 680089215 770767777 889347435 1360178430 1541535554 1778694870 2312303331 3853838885 4624606662 7707677770 11561516655 23123033310