23111651604 has 48 divisors (see below), whose sum is σ = 57127112000. Its totient is φ = 7251918336.

The previous prime is 23111651597. The next prime is 23111651627. The reversal of 23111651604 is 40615611132.

It is a happy number.

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, 287029 + ... + 358620.

Almost surely, 2^23111651604 is an apocalyptic number.

It is an amenable number.

23111651604 is an abundant number, since it is smaller than the sum of its proper divisors (34015460396).

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

23111651604 is a wasteful number, since it uses less digits than its factorization.

23111651604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645832 (or 645830 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 23111651604 in words is "twenty-three billion, one hundred eleven million, six hundred fifty-one thousand, six hundred four".