423860261939 has 2 divisors, whose sum is σ = 423860261940. Its totient is φ = 423860261938.

The previous prime is 423860261893. The next prime is 423860261947. The reversal of 423860261939 is 939162068324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423860261939 - 2²⁴ = 423843484723 is a prime.

It is not a weakly prime, because it can be changed into another prime (423860261959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211930130969 + 211930130970.

It is an arithmetic number, because the mean of its divisors is an integer number (211930130970).

Almost surely, 2^423860261939 is an apocalyptic number.

423860261939 is a deficient number, since it is larger than the sum of its proper divisors (1).

423860261939 is an equidigital number, since it uses as much as digits as its factorization.

423860261939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 423860261939 in words is "four hundred twenty-three billion, eight hundred sixty million, two hundred sixty-one thousand, nine hundred thirty-nine".