45042232023 has 24 divisors (see below), whose sum is σ = 65302932240. Its totient is φ = 29916648960.

The previous prime is 45042232013. The next prime is 45042232031. The reversal of 45042232023 is 32023224054.

It is a happy number.

45042232023 is a `hidden beast` number, since 450 + 4 + 2 + 2 + 3 + 202 + 3 = 666.

It is not a de Polignac number, because 45042232023 - 2²⁴ = 45025454807 is a prime.

It is a super-2 number, since 2×45042232023² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45042232013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3994213 + ... + 4005473.

It is an arithmetic number, because the mean of its divisors is an integer number (2720955510).

Almost surely, 2^45042232023 is an apocalyptic number.

45042232023 is a deficient number, since it is larger than the sum of its proper divisors (20260700217).

45042232023 is a wasteful number, since it uses less digits than its factorization.

45042232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12879 (or 12876 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 45042232023 its reverse (32023224054), we get a palindrome (77065456077).

The spelling of 45042232023 in words is "forty-five billion, forty-two million, two hundred thirty-two thousand, twenty-three".