23615324004 has 12 divisors (see below), whose sum is σ = 55102422704. Its totient is φ = 7871774664.

The previous prime is 23615323969. The next prime is 23615324009. The reversal of 23615324004 is 40042351632.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (23615324009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983971822 + ... + 983971845.

Almost surely, 2^23615324004 is an apocalyptic number.

It is an amenable number.

23615324004 is an abundant number, since it is smaller than the sum of its proper divisors (31487098700).

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

23615324004 is a wasteful number, since it uses less digits than its factorization.

23615324004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967943674 (or 1967943672 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23615324004 its reverse (40042351632), we get a palindrome (63657675636).

The spelling of 23615324004 in words is "twenty-three billion, six hundred fifteen million, three hundred twenty-four thousand, four".