312412523 has 4 divisors (see below), whose sum is σ = 312555408. Its totient is φ = 312269640.

The previous prime is 312412489. The next prime is 312412561. The reversal of 312412523 is 325214213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325214213 = 829 ⋅392297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312412523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312412123) 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, 68111 + ... + 72552.

It is an arithmetic number, because the mean of its divisors is an integer number (78138852).

Almost surely, 2^312412523 is an apocalyptic number.

312412523 is a deficient number, since it is larger than the sum of its proper divisors (142885).

312412523 is a wasteful number, since it uses less digits than its factorization.

312412523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142884.

The product of its digits is 1440, while the sum is 23.

The square root of 312412523 is about 17675.1951332934. The cubic root of 312412523 is about 678.5410784769.

Adding to 312412523 its reverse (325214213), we get a palindrome (637626736).

The spelling of 312412523 in words is "three hundred twelve million, four hundred twelve thousand, five hundred twenty-three".