402875923 has 2 divisors, whose sum is σ = 402875924. Its totient is φ = 402875922.

The previous prime is 402875899. The next prime is 402875929. The reversal of 402875923 is 329578204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402875923 - 2¹⁷ = 402744851 is a prime.

It is not a weakly prime, because it can be changed into another prime (402875929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201437961 + 201437962.

It is an arithmetic number, because the mean of its divisors is an integer number (201437962).

Almost surely, 2^402875923 is an apocalyptic number.

402875923 is a deficient number, since it is larger than the sum of its proper divisors (1).

402875923 is an equidigital number, since it uses as much as digits as its factorization.

402875923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 402875923 is about 20071.7693041745. The cubic root of 402875923 is about 738.5679163745.

The spelling of 402875923 in words is "four hundred two million, eight hundred seventy-five thousand, nine hundred twenty-three".