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23013000312 = 2338322750893
BaseRepresentation
bin10101011011101011…
…101000010001111000
32012101211000112122220
4111123223220101320
5334112312002222
614323320244040
71443166163241
oct253353502170
965354015586
1023013000312
11983a269825
124563010620
132229991563
141184513cc8
158ea52bb5c
hex55bae8478

23013000312 has 64 divisors (see below), whose sum is σ = 58483313280. Its totient is φ = 7545044352.

The previous prime is 23013000301. The next prime is 23013000323. The reversal of 23013000312 is 21300031032.

It is an interprime number because it is at equal distance from previous prime (23013000301) and next prime (23013000323).

It is a super-2 number, since 2×230130003122 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23013000291 and 23013000300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426738 + ... + 477630.

It is an arithmetic number, because the mean of its divisors is an integer number (913801770).

Almost surely, 223013000312 is an apocalyptic number.

It is an amenable number.

23013000312 is an abundant number, since it is smaller than the sum of its proper divisors (35470312968).

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

23013000312 is a wasteful number, since it uses less digits than its factorization.

23013000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51212 (or 51208 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23013000312 its reverse (21300031032), we get a palindrome (44313031344).

The spelling of 23013000312 in words is "twenty-three billion, thirteen million, three hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 24 83 166 227 249 332 454 498 664 681 908 996 1362 1816 1992 2724 5448 18841 37682 50893 56523 75364 101786 113046 150728 152679 203572 226092 305358 407144 452184 610716 1221432 4224119 8448238 11552711 12672357 16896476 23105422 25344714 33792952 34658133 46210844 50689428 69316266 92421688 101378856 138632532 277265064 958875013 1917750026 2876625039 3835500052 5753250078 7671000104 11506500156 23013000312