45992123 has 4 divisors (see below), whose sum is σ = 48697560. Its totient is φ = 43286688.

The previous prime is 45992101. The next prime is 45992129. The reversal of 45992123 is 32129954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32129954 = 2 ⋅16064977.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45992123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45992129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352693 + ... + 1352726.

It is an arithmetic number, because the mean of its divisors is an integer number (12174390).

Almost surely, 2^45992123 is an apocalyptic number.

45992123 is a deficient number, since it is larger than the sum of its proper divisors (2705437).

45992123 is a wasteful number, since it uses less digits than its factorization.

45992123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705436.

The product of its digits is 19440, while the sum is 35.

The square root of 45992123 is about 6781.7492581192. The cubic root of 45992123 is about 358.2843340007.

The spelling of 45992123 in words is "forty-five million, nine hundred ninety-two thousand, one hundred twenty-three".