23215204524 has 24 divisors (see below), whose sum is σ = 54173403648. Its totient is φ = 7737745360.

The previous prime is 23215204517. The next prime is 23215204547. The reversal of 23215204524 is 42540251232.

It is a junction number, because it is equal to n+sod(n) for n = 23215204491 and 23215204500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77869 + ... + 229115.

It is an arithmetic number, because the mean of its divisors is an integer number (2257225152).

Almost surely, 2^23215204524 is an apocalyptic number.

It is an amenable number.

23215204524 is an abundant number, since it is smaller than the sum of its proper divisors (30958199124).

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

23215204524 is a wasteful number, since it uses less digits than its factorization.

23215204524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164045 (or 164043 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 23215204524 its reverse (42540251232), we get a palindrome (65755455756).

The spelling of 23215204524 in words is "twenty-three billion, two hundred fifteen million, two hundred four thousand, five hundred twenty-four".