312125013142523 has 4 divisors (see below), whose sum is σ = 356714300734320. Its totient is φ = 267535725550728.

The previous prime is 312125013142513. The next prime is 312125013142561. The reversal of 312125013142523 is 325241310521213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312125013142523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312125013142513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22294643795888 + ... + 22294643795901.

It is an arithmetic number, because the mean of its divisors is an integer number (89178575183580).

Almost surely, 2^{312125013142523} is an apocalyptic number.

312125013142523 is a deficient number, since it is larger than the sum of its proper divisors (44589287591797).

312125013142523 is an equidigital number, since it uses as much as digits as its factorization.

312125013142523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44589287591796.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 312125013142523 its reverse (325241310521213), we get a palindrome (637366323663736).

The spelling of 312125013142523 in words is "three hundred twelve trillion, one hundred twenty-five billion, thirteen million, one hundred forty-two thousand, five hundred twenty-three".