45724923 has 24 divisors (see below), whose sum is σ = 67541760. Its totient is φ = 29801520.

The previous prime is 45724919. The next prime is 45724957. The reversal of 45724923 is 32942754.

It is not a de Polignac number, because 45724923 - 2² = 45724919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45724123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103938 + ... + 104376.

It is an arithmetic number, because the mean of its divisors is an integer number (2814240).

Almost surely, 2^45724923 is an apocalyptic number.

45724923 is a deficient number, since it is larger than the sum of its proper divisors (21816837).

45724923 is a wasteful number, since it uses less digits than its factorization.

45724923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 676 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 45724923 is about 6762.0206299597. The cubic root of 45724923 is about 357.5891456174.

The spelling of 45724923 in words is "forty-five million, seven hundred twenty-four thousand, nine hundred twenty-three".