311670423 has 10 divisors (see below), whose sum is σ = 465581864. Its totient is φ = 207780228.

The previous prime is 311670419. The next prime is 311670427. The reversal of 311670423 is 324076113.

It is an interprime number because it is at equal distance from previous prime (311670419) and next prime (311670427).

It is not a de Polignac number, because 311670423 - 2² = 311670419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311670427) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1923811 + ... + 1923972.

Almost surely, 2^311670423 is an apocalyptic number.

311670423 is a deficient number, since it is larger than the sum of its proper divisors (153911441).

311670423 is an equidigital number, since it uses as much as digits as its factorization.

311670423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847795 (or 3847786 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 311670423 is about 17654.1899559283. The cubic root of 311670423 is about 678.0033870925.

The spelling of 311670423 in words is "three hundred eleven million, six hundred seventy thousand, four hundred twenty-three".