23168907136 has 32 divisors (see below), whose sum is σ = 47282593680. Its totient is φ = 11301903360.

The previous prime is 23168907107. The next prime is 23168907169. The reversal of 23168907136 is 63170986132.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202156 + ... + 2212651.

Almost surely, 2^23168907136 is an apocalyptic number.

It is an amenable number.

23168907136 is an abundant number, since it is smaller than the sum of its proper divisors (24113686544).

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

23168907136 is an equidigital number, since it uses as much as digits as its factorization.

23168907136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414862 (or 4414850 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 23168907136 in words is "twenty-three billion, one hundred sixty-eight million, nine hundred seven thousand, one hundred thirty-six".