45418947723 has 16 divisors (see below), whose sum is σ = 67293252000. Its totient is φ = 30276633600.

The previous prime is 45418947709. The next prime is 45418947737. The reversal of 45418947723 is 32774981454.

45418947723 is a `hidden beast` number, since 4 + 541 + 8 + 9 + 4 + 77 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (45418947709) and next prime (45418947737).

It is not a de Polignac number, because 45418947723 - 2⁸ = 45418947467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45418947723.

It is not an unprimeable number, because it can be changed into a prime (45418947823) 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, 267003 + ... + 402651.

It is an arithmetic number, because the mean of its divisors is an integer number (4205828250).

Almost surely, 2^45418947723 is an apocalyptic number.

45418947723 is a deficient number, since it is larger than the sum of its proper divisors (21874304277).

45418947723 is a wasteful number, since it uses less digits than its factorization.

45418947723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148059 (or 148053 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 45418947723 in words is "forty-five billion, four hundred eighteen million, nine hundred forty-seven thousand, seven hundred twenty-three".