507434923 has 2 divisors, whose sum is σ = 507434924. Its totient is φ = 507434922.

The previous prime is 507434891. The next prime is 507434971. The reversal of 507434923 is 329434705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507434923 - 2⁵ = 507434891 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (507434423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253717461 + 253717462.

It is an arithmetic number, because the mean of its divisors is an integer number (253717462).

Almost surely, 2^507434923 is an apocalyptic number.

507434923 is a deficient number, since it is larger than the sum of its proper divisors (1).

507434923 is an equidigital number, since it uses as much as digits as its factorization.

507434923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 507434923 is about 22526.3162323537. The cubic root of 507434923 is about 797.6152540261.

The spelling of 507434923 in words is "five hundred seven million, four hundred thirty-four thousand, nine hundred twenty-three".