45731923 has 2 divisors, whose sum is σ = 45731924. Its totient is φ = 45731922.

The previous prime is 45731857. The next prime is 45731941. The reversal of 45731923 is 32913754.

45731923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45731923 - 2¹³ = 45723731 is a prime.

It is not a weakly prime, because it can be changed into another prime (45731723) 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, 22865961 + 22865962.

It is an arithmetic number, because the mean of its divisors is an integer number (22865962).

Almost surely, 2^45731923 is an apocalyptic number.

45731923 is a deficient number, since it is larger than the sum of its proper divisors (1).

45731923 is an equidigital number, since it uses as much as digits as its factorization.

45731923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 45731923 is about 6762.5382069161. The cubic root of 45731923 is about 357.6073923862.

The spelling of 45731923 in words is "forty-five million, seven hundred thirty-one thousand, nine hundred twenty-three".