39323923 has 2 divisors, whose sum is σ = 39323924. Its totient is φ = 39323922.

The previous prime is 39323917. The next prime is 39323927. The reversal of 39323923 is 32932393.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39323923 is a prime.

It is not a weakly prime, because it can be changed into another prime (39323927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19661961 + 19661962.

It is an arithmetic number, because the mean of its divisors is an integer number (19661962).

Almost surely, 2^39323923 is an apocalyptic number.

39323923 is a deficient number, since it is larger than the sum of its proper divisors (1).

39323923 is an equidigital number, since it uses as much as digits as its factorization.

39323923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 34.

The square root of 39323923 is about 6270.8789655040. The cubic root of 39323923 is about 340.0574383929.

The spelling of 39323923 in words is "thirty-nine million, three hundred twenty-three thousand, nine hundred twenty-three".