312423239898971 has 2 divisors, whose sum is σ = 312423239898972. Its totient is φ = 312423239898970.

The previous prime is 312423239898967. The next prime is 312423239898983. The reversal of 312423239898971 is 179898932324213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312423239898971 - 2² = 312423239898967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312423239898895 and 312423239898904.

It is not a weakly prime, because it can be changed into another prime (312423239898901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156211619949485 + 156211619949486.

It is an arithmetic number, because the mean of its divisors is an integer number (156211619949486).

Almost surely, 2^{312423239898971} is an apocalyptic number.

312423239898971 is a deficient number, since it is larger than the sum of its proper divisors (1).

312423239898971 is an equidigital number, since it uses as much as digits as its factorization.

312423239898971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282175488, while the sum is 71.

The spelling of 312423239898971 in words is "three hundred twelve trillion, four hundred twenty-three billion, two hundred thirty-nine million, eight hundred ninety-eight thousand, nine hundred seventy-one".