497808423 has 30 divisors (see below), whose sum is σ = 850781976. Its totient is φ = 284158368.

The previous prime is 497808419. The next prime is 497808431. The reversal of 497808423 is 324808794.

497808423 is a `hidden beast` number, since 497 + 80 + 84 + 2 + 3 = 666.

It is not a de Polignac number, because 497808423 - 2² = 497808419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497808413) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 530811 + ... + 531747.

Almost surely, 2^497808423 is an apocalyptic number.

497808423 is a deficient number, since it is larger than the sum of its proper divisors (352973553).

497808423 is an frugal number, since it uses more digits than its factorization.

497808423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 497808423 is about 22311.6208062077. The cubic root of 497808423 is about 792.5391903450.

The spelling of 497808423 in words is "four hundred ninety-seven million, eight hundred eight thousand, four hundred twenty-three".