2312443387 has 2 divisors, whose sum is σ = 2312443388. Its totient is φ = 2312443386.

The previous prime is 2312443363. The next prime is 2312443417. The reversal of 2312443387 is 7833442132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2312443387 - 2²⁷ = 2178225659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312449387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156221693 + 1156221694.

It is an arithmetic number, because the mean of its divisors is an integer number (1156221694).

Almost surely, 2^2312443387 is an apocalyptic number.

2312443387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312443387 is an equidigital number, since it uses as much as digits as its factorization.

2312443387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 2312443387 is about 48087.8715166309. The cubic root of 2312443387 is about 1322.3823267858.

The spelling of 2312443387 in words is "two billion, three hundred twelve million, four hundred forty-three thousand, three hundred eighty-seven".