23311642004 has 72 divisors (see below), whose sum is σ = 48142765440. Its totient is φ = 9846555264.

The previous prime is 23311641979. The next prime is 23311642063. The reversal of 23311642004 is 40024611332.

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, 12184952 + ... + 12186864.

It is an arithmetic number, because the mean of its divisors is an integer number (668649520).

Almost surely, 2^23311642004 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 23311642004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24071382720).

23311642004 is an abundant number, since it is smaller than the sum of its proper divisors (24831123436).

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

23311642004 is a wasteful number, since it uses less digits than its factorization.

23311642004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 23311642004 in words is "twenty-three billion, three hundred eleven million, six hundred forty-two thousand, four".