312392863 has 2 divisors, whose sum is σ = 312392864. Its totient is φ = 312392862.

The previous prime is 312392789. The next prime is 312392881. The reversal of 312392863 is 368293213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312392863 - 2¹³ = 312384671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312393863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156196431 + 156196432.

It is an arithmetic number, because the mean of its divisors is an integer number (156196432).

Almost surely, 2^312392863 is an apocalyptic number.

312392863 is a deficient number, since it is larger than the sum of its proper divisors (1).

312392863 is an equidigital number, since it uses as much as digits as its factorization.

312392863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 312392863 is about 17674.6389779254. The cubic root of 312392863 is about 678.5268447352.

The spelling of 312392863 in words is "three hundred twelve million, three hundred ninety-two thousand, eight hundred sixty-three".