23525214405 has 128 divisors (see below), whose sum is σ = 47532441600. Its totient is φ = 9651778560.

The previous prime is 23525214389. The next prime is 23525214413. The reversal of 23525214405 is 50441252532.

It is a happy number.

It is not a de Polignac number, because 23525214405 - 2⁴ = 23525214389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 38376879 + ... + 38377491.

It is an arithmetic number, because the mean of its divisors is an integer number (371347200).

Almost surely, 2^23525214405 is an apocalyptic number.

It is an amenable number.

23525214405 is an abundant number, since it is smaller than the sum of its proper divisors (24007227195).

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

23525214405 is a wasteful number, since it uses less digits than its factorization.

23525214405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 23525214405 its reverse (50441252532), we get a palindrome (73966466937).

The spelling of 23525214405 in words is "twenty-three billion, five hundred twenty-five million, two hundred fourteen thousand, four hundred five".