45613723 has 4 divisors (see below), whose sum is σ = 47186640. Its totient is φ = 44040808.

The previous prime is 45613717. The next prime is 45613727. The reversal of 45613723 is 32731654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32731654 = 2 ⋅16365827.

It is a cyclic number.

It is not a de Polignac number, because 45613723 - 2⁵ = 45613691 is a prime.

It is a super-2 number, since 2×45613723² = 4161223451841458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45613727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786415 + ... + 786472.

It is an arithmetic number, because the mean of its divisors is an integer number (11796660).

Almost surely, 2^45613723 is an apocalyptic number.

45613723 is a deficient number, since it is larger than the sum of its proper divisors (1572917).

45613723 is a wasteful number, since it uses less digits than its factorization.

45613723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572916.

The product of its digits is 15120, while the sum is 31.

The square root of 45613723 is about 6753.7932304743. The cubic root of 45613723 is about 357.2990325645.

The spelling of 45613723 in words is "forty-five million, six hundred thirteen thousand, seven hundred twenty-three".