64913323 has 2 divisors, whose sum is σ = 64913324. Its totient is φ = 64913322.

The previous prime is 64913311. The next prime is 64913353. The reversal of 64913323 is 32331946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64913323 - 2¹³ = 64905131 is a prime.

It is not a weakly prime, because it can be changed into another prime (64913353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32456661 + 32456662.

It is an arithmetic number, because the mean of its divisors is an integer number (32456662).

Almost surely, 2^64913323 is an apocalyptic number.

64913323 is a deficient number, since it is larger than the sum of its proper divisors (1).

64913323 is an equidigital number, since it uses as much as digits as its factorization.

64913323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 64913323 is about 8056.8804757176. The cubic root of 64913323 is about 401.8937761303.

The spelling of 64913323 in words is "sixty-four million, nine hundred thirteen thousand, three hundred twenty-three".