312672443 has 2 divisors, whose sum is σ = 312672444. Its totient is φ = 312672442.

The previous prime is 312672433. The next prime is 312672463. The reversal of 312672443 is 344276213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312672443 - 2⁸ = 312672187 is a prime.

It is a super-2 number, since 2×312672443² = 195528113223176498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312672413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156336221 + 156336222.

It is an arithmetic number, because the mean of its divisors is an integer number (156336222).

Almost surely, 2^312672443 is an apocalyptic number.

312672443 is a deficient number, since it is larger than the sum of its proper divisors (1).

312672443 is an equidigital number, since it uses as much as digits as its factorization.

312672443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 312672443 is about 17682.5462815738. The cubic root of 312672443 is about 678.7292031473.

The spelling of 312672443 in words is "three hundred twelve million, six hundred seventy-two thousand, four hundred forty-three".