64079923 has 2 divisors, whose sum is σ = 64079924. Its totient is φ = 64079922.

The previous prime is 64079903. The next prime is 64079957. The reversal of 64079923 is 32997046.

64079923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64079923 - 2⁵ = 64079891 is a prime.

It is not a weakly prime, because it can be changed into another prime (64079903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32039961 + 32039962.

It is an arithmetic number, because the mean of its divisors is an integer number (32039962).

Almost surely, 2^64079923 is an apocalyptic number.

64079923 is a deficient number, since it is larger than the sum of its proper divisors (1).

64079923 is an equidigital number, since it uses as much as digits as its factorization.

64079923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 64079923 is about 8004.9936289794. The cubic root of 64079923 is about 400.1664369872.

The spelling of 64079923 in words is "sixty-four million, seventy-nine thousand, nine hundred twenty-three".