312013023 has 16 divisors (see below), whose sum is σ = 481963776. Its totient is φ = 175849920.

The previous prime is 312012991. The next prime is 312013033. The reversal of 312013023 is 320310213.

It is not a de Polignac number, because 312013023 - 2⁵ = 312012991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312012993 and 312013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312013033) 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, 100233 + ... + 103298.

It is an arithmetic number, because the mean of its divisors is an integer number (30122736).

Almost surely, 2^312013023 is an apocalyptic number.

312013023 is a deficient number, since it is larger than the sum of its proper divisors (169950753).

312013023 is a wasteful number, since it uses less digits than its factorization.

312013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203614.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 312013023 is about 17663.8903699044. The cubic root of 312013023 is about 678.2517251695.

Adding to 312013023 its reverse (320310213), we get a palindrome (632323236).

The spelling of 312013023 in words is "three hundred twelve million, thirteen thousand, twenty-three".