45339723 has 32 divisors (see below), whose sum is σ = 78919680. Its totient is φ = 25362720.

The previous prime is 45339709. The next prime is 45339733. The reversal of 45339723 is 32793354.

It is not a de Polignac number, because 45339723 - 2⁶ = 45339659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45339733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2011 + ... + 9732.

It is an arithmetic number, because the mean of its divisors is an integer number (2466240).

Almost surely, 2^45339723 is an apocalyptic number.

45339723 is a deficient number, since it is larger than the sum of its proper divisors (33579957).

45339723 is a wasteful number, since it uses less digits than its factorization.

45339723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776 (or 11770 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 45339723 is about 6733.4777789787. The cubic root of 45339723 is about 356.5821677526.

The spelling of 45339723 in words is "forty-five million, three hundred thirty-nine thousand, seven hundred twenty-three".