12312377953 has 16 divisors (see below), whose sum is σ = 13074684480. Its totient is φ = 11574351936.

The previous prime is 12312377947. The next prime is 12312377989. The reversal of 12312377953 is 35977321321.

It is not a de Polignac number, because 12312377953 - 2¹³ = 12312369761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312377153) 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, 379726 + ... + 410872.

It is an arithmetic number, because the mean of its divisors is an integer number (817167780).

Almost surely, 2^12312377953 is an apocalyptic number.

It is an amenable number.

12312377953 is a deficient number, since it is larger than the sum of its proper divisors (762306527).

12312377953 is a wasteful number, since it uses less digits than its factorization.

12312377953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31536.

The product of its digits is 238140, while the sum is 43.

The spelling of 12312377953 in words is "twelve billion, three hundred twelve million, three hundred seventy-seven thousand, nine hundred fifty-three".