23215004052 has 48 divisors (see below), whose sum is σ = 54977106240. Its totient is φ = 7623328768.

The previous prime is 23215004039. The next prime is 23215004053. The reversal of 23215004052 is 25040051232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215004053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318574 + ... + 384602.

It is an arithmetic number, because the mean of its divisors is an integer number (1145356380).

Almost surely, 2^23215004052 is an apocalyptic number.

It is an amenable number.

23215004052 is an abundant number, since it is smaller than the sum of its proper divisors (31762102188).

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

23215004052 is a wasteful number, since it uses less digits than its factorization.

23215004052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66472 (or 66470 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 23215004052 its reverse (25040051232), we get a palindrome (48255055284).

The spelling of 23215004052 in words is "twenty-three billion, two hundred fifteen million, four thousand, fifty-two".