23634957312 has 264 divisors, whose sum is σ = 71121623040. Its totient is φ = 7550484480.

The previous prime is 23634957271. The next prime is 23634957361. The reversal of 23634957312 is 21375943632.

23634957312 is a `hidden beast` number, since 2 + 3 + 63 + 4 + 9 + 573 + 12 = 666.

It is a super-2 number, since 2×23634957312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51047193 + ... + 51047655.

Almost surely, 2^23634957312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23634957312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35560811520).

23634957312 is an abundant number, since it is smaller than the sum of its proper divisors (47486665728).

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

23634957312 is a wasteful number, since it uses less digits than its factorization.

23634957312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 688 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

It can be divided in two parts, 2363 and 4957312, that added together give a triangular number (4959675 = T₃₁₄₉).

The spelling of 23634957312 in words is "twenty-three billion, six hundred thirty-four million, nine hundred fifty-seven thousand, three hundred twelve".