66365323 has 2 divisors, whose sum is σ = 66365324. Its totient is φ = 66365322.

The previous prime is 66365303. The next prime is 66365339. The reversal of 66365323 is 32356366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66365323 - 2⁵ = 66365291 is a prime.

It is not a weakly prime, because it can be changed into another prime (66365303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33182661 + 33182662.

It is an arithmetic number, because the mean of its divisors is an integer number (33182662).

Almost surely, 2^66365323 is an apocalyptic number.

66365323 is a deficient number, since it is larger than the sum of its proper divisors (1).

66365323 is an equidigital number, since it uses as much as digits as its factorization.

66365323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 34.

The square root of 66365323 is about 8146.4914533804. The cubic root of 66365323 is about 404.8682658483.

The spelling of 66365323 in words is "sixty-six million, three hundred sixty-five thousand, three hundred twenty-three".