23463857815 has 16 divisors (see below), whose sum is σ = 30361453920. Its totient is φ = 17349396480.

The previous prime is 23463857789. The next prime is 23463857821. The reversal of 23463857815 is 51875836432.

It is a happy number.

It is not a de Polignac number, because 23463857815 - 2¹³ = 23463849623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3008154 + ... + 3015943.

It is an arithmetic number, because the mean of its divisors is an integer number (1897590870).

Almost surely, 2^23463857815 is an apocalyptic number.

23463857815 is a deficient number, since it is larger than the sum of its proper divisors (6897596105).

23463857815 is a wasteful number, since it uses less digits than its factorization.

23463857815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024162.

The product of its digits is 4838400, while the sum is 52.

The spelling of 23463857815 in words is "twenty-three billion, four hundred sixty-three million, eight hundred fifty-seven thousand, eight hundred fifteen".