23691138412032 has 1600 divisors, whose sum is σ = 89450784783360. Its totient is φ = 6076787982336.

The previous prime is 23691138411953. The next prime is 23691138412057. The reversal of 23691138412032 is 23021483119632.

It is a happy number.

23691138412032 is a `hidden beast` number, since 2 + 3 + 69 + 1 + 1 + 384 + 1 + 203 + 2 = 666.

It is a super-2 number, since 2×23691138412032² (a number of 28 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 159 ways as a sum of consecutive naturals, for example, 22934305788 + ... + 22934306820.

Almost surely, 2^{23691138412032} 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 23691138412032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44725392391680).

23691138412032 is an abundant number, since it is smaller than the sum of its proper divisors (65759646371328).

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

23691138412032 is a wasteful number, since it uses less digits than its factorization.

23691138412032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 23691138412032 in words is "twenty-three trillion, six hundred ninety-one billion, one hundred thirty-eight million, four hundred twelve thousand, thirty-two".