507928423 has 2 divisors, whose sum is σ = 507928424. Its totient is φ = 507928422.

The previous prime is 507928409. The next prime is 507928433. The reversal of 507928423 is 324829705.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507928423 is a prime.

It is equal to p_26750983 and since 507928423 and 26750983 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507928403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253964211 + 253964212.

It is an arithmetic number, because the mean of its divisors is an integer number (253964212).

Almost surely, 2^507928423 is an apocalyptic number.

507928423 is a deficient number, since it is larger than the sum of its proper divisors (1).

507928423 is an equidigital number, since it uses as much as digits as its factorization.

507928423 is an evil number, because the sum of its binary digits is even.

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

The square root of 507928423 is about 22537.2674253113. The cubic root of 507928423 is about 797.8737407629.

The spelling of 507928423 in words is "five hundred seven million, nine hundred twenty-eight thousand, four hundred twenty-three".