497657323 has 2 divisors, whose sum is σ = 497657324. Its totient is φ = 497657322.

The previous prime is 497657309. The next prime is 497657327. The reversal of 497657323 is 323756794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497657323 is a prime.

It is a super-2 number, since 2×497657323² = 495325622271052658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (497657327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248828661 + 248828662.

It is an arithmetic number, because the mean of its divisors is an integer number (248828662).

Almost surely, 2^497657323 is an apocalyptic number.

497657323 is a deficient number, since it is larger than the sum of its proper divisors (1).

497657323 is an equidigital number, since it uses as much as digits as its factorization.

497657323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 46.

The square root of 497657323 is about 22308.2344213970. The cubic root of 497657323 is about 792.4589956460.

The spelling of 497657323 in words is "four hundred ninety-seven million, six hundred fifty-seven thousand, three hundred twenty-three".