23521255113 has 16 divisors (see below), whose sum is σ = 31595590656. Its totient is φ = 15564153360.

The previous prime is 23521255081. The next prime is 23521255117. The reversal of 23521255113 is 31155212532.

It is not a de Polignac number, because 23521255113 - 2⁵ = 23521255081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23521255117) 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 15 ways as a sum of consecutive naturals, for example, 312220 + ... + 380162.

It is an arithmetic number, because the mean of its divisors is an integer number (1974724416).

Almost surely, 2^23521255113 is an apocalyptic number.

It is an amenable number.

23521255113 is a deficient number, since it is larger than the sum of its proper divisors (8074335543).

23521255113 is a wasteful number, since it uses less digits than its factorization.

23521255113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68804.

The product of its digits is 9000, while the sum is 30.

Adding to 23521255113 its reverse (31155212532), we get a palindrome (54676467645).

The spelling of 23521255113 in words is "twenty-three billion, five hundred twenty-one million, two hundred fifty-five thousand, one hundred thirteen".