23513153405 has 16 divisors (see below), whose sum is σ = 32381544960. Its totient is φ = 16055837952.

The previous prime is 23513153383. The next prime is 23513153431. The reversal of 23513153405 is 50435131532.

It is not a de Polignac number, because 23513153405 - 2²⁰ = 23512104829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397084 + ... + 1413813.

It is an arithmetic number, because the mean of its divisors is an integer number (2023846560).

Almost surely, 2^23513153405 is an apocalyptic number.

It is an amenable number.

23513153405 is a deficient number, since it is larger than the sum of its proper divisors (8868391555).

23513153405 is a wasteful number, since it uses less digits than its factorization.

23513153405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811148.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 23513153405 its reverse (50435131532), we get a palindrome (73948284937).

The spelling of 23513153405 in words is "twenty-three billion, five hundred thirteen million, one hundred fifty-three thousand, four hundred five".