23665112604 has 120 divisors (see below), whose sum is σ = 70807709280. Its totient is φ = 6751465344.

The previous prime is 23665112539. The next prime is 23665112621. The reversal of 23665112604 is 40621156632.

23665112604 is a `hidden beast` number, since 2 + 36 + 6 + 5 + 1 + 12 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1600654 + ... + 1615370.

It is an arithmetic number, because the mean of its divisors is an integer number (590064244).

Almost surely, 2^23665112604 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 23665112604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35403854640).

23665112604 is an abundant number, since it is smaller than the sum of its proper divisors (47142596676).

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

23665112604 is a wasteful number, since it uses less digits than its factorization.

23665112604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15449 (or 15438 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 23665112604 in words is "twenty-three billion, six hundred sixty-five million, one hundred twelve thousand, six hundred four".