23521025004 has 24 divisors (see below), whose sum is σ = 54897817968. Its totient is φ = 7838137920.

The previous prime is 23521024997. The next prime is 23521025009. The reversal of 23521025004 is 40052012532.

It is not an unprimeable number, because it can be changed into a prime (23521025009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230707 + ... + 316650.

It is an arithmetic number, because the mean of its divisors is an integer number (2287409082).

Almost surely, 2^23521025004 is an apocalyptic number.

It is an amenable number.

23521025004 is an abundant number, since it is smaller than the sum of its proper divisors (31376792964).

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

23521025004 is a wasteful number, since it uses less digits than its factorization.

23521025004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550945 (or 550943 counting only the distinct ones).

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

Adding to 23521025004 its reverse (40052012532), we get a palindrome (63573037536).

The spelling of 23521025004 in words is "twenty-three billion, five hundred twenty-one million, twenty-five thousand, four".