23505521413000 has 128 divisors (see below), whose sum is σ = 60441168902400. Its totient is φ = 8485071552000.

The previous prime is 23505521412991. The next prime is 23505521413039. The reversal of 23505521413000 is 31412550532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6291780 + ... + 9305779.

It is an arithmetic number, because the mean of its divisors is an integer number (472196632050).

Almost surely, 2^{23505521413000} is an apocalyptic number.

23505521413000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23505521413000 is an abundant number, since it is smaller than the sum of its proper divisors (36935647489400).

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

23505521413000 is a wasteful number, since it uses less digits than its factorization.

23505521413000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15597728 (or 15597714 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 23505521413000 its reverse (31412550532), we get a palindrome (23536933963532).

The spelling of 23505521413000 in words is "twenty-three trillion, five hundred five billion, five hundred twenty-one million, four hundred thirteen thousand".