45307723 has 16 divisors (see below), whose sum is σ = 50112000. Its totient is φ = 40772160.

The previous prime is 45307711. The next prime is 45307729. The reversal of 45307723 is 32770354.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45307723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45307729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86703 + ... + 87223.

It is an arithmetic number, because the mean of its divisors is an integer number (3132000).

Almost surely, 2^45307723 is an apocalyptic number.

45307723 is a deficient number, since it is larger than the sum of its proper divisors (4804277).

45307723 is a wasteful number, since it uses less digits than its factorization.

45307723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 45307723 is about 6731.1011729137. The cubic root of 45307723 is about 356.4982581465.

The spelling of 45307723 in words is "forty-five million, three hundred seven thousand, seven hundred twenty-three".