312404114443123 has 4 divisors (see below), whose sum is σ = 312406496992440. Its totient is φ = 312401731893808.

The previous prime is 312404114443097. The next prime is 312404114443147. The reversal of 312404114443123 is 321344411404213.

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

It is a cyclic number.

It is not a de Polignac number, because 312404114443123 - 2²¹ = 312404112345971 is a prime.

It is a super-2 number, since 2×312404114443123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312404114443163) 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, 1191077965 + ... + 1191340222.

It is an arithmetic number, because the mean of its divisors is an integer number (78101624248110).

Almost surely, 2^{312404114443123} is an apocalyptic number.

312404114443123 is a deficient number, since it is larger than the sum of its proper divisors (2382549317).

312404114443123 is a wasteful number, since it uses less digits than its factorization.

312404114443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382549316.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 312404114443123 its reverse (321344411404213), we get a palindrome (633748525847336).

The spelling of 312404114443123 in words is "three hundred twelve trillion, four hundred four billion, one hundred fourteen million, four hundred forty-three thousand, one hundred twenty-three".