45384723 has 12 divisors (see below), whose sum is σ = 65666328. Its totient is φ = 30205440.

The previous prime is 45384709. The next prime is 45384733. The reversal of 45384723 is 32748354.

It is a happy number.

It is not a de Polignac number, because 45384723 - 2⁴ = 45384707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45384733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836 + ... + 9702.

It is an arithmetic number, because the mean of its divisors is an integer number (5472194).

Almost surely, 2^45384723 is an apocalyptic number.

45384723 is a deficient number, since it is larger than the sum of its proper divisors (20281605).

45384723 is a wasteful number, since it uses less digits than its factorization.

45384723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514 (or 8511 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 45384723 is about 6736.8184627463. The cubic root of 45384723 is about 356.7000988644.

It can be divided in two parts, 4538 and 4723, that added together give a cube (9261 = 21³).

The spelling of 45384723 in words is "forty-five million, three hundred eighty-four thousand, seven hundred twenty-three".