312315423 has 16 divisors (see below), whose sum is σ = 486036480. Its totient is φ = 174668256.

The previous prime is 312315403. The next prime is 312315427. The reversal of 312315423 is 324513213.

It is not a de Polignac number, because 312315423 - 2⁵ = 312315391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312315393 and 312315402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312315427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157228 + ... + 159201.

It is an arithmetic number, because the mean of its divisors is an integer number (30377280).

Almost surely, 2^312315423 is an apocalyptic number.

312315423 is a deficient number, since it is larger than the sum of its proper divisors (173721057).

312315423 is a wasteful number, since it uses less digits than its factorization.

312315423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316486.

The product of its digits is 2160, while the sum is 24.

The square root of 312315423 is about 17672.4481326159. The cubic root of 312315423 is about 678.4707727529.

Adding to 312315423 its reverse (324513213), we get a palindrome (636828636).

The spelling of 312315423 in words is "three hundred twelve million, three hundred fifteen thousand, four hundred twenty-three".