45223125623 has 16 divisors (see below), whose sum is σ = 49280011200. Its totient is φ = 41249429760.

The previous prime is 45223125617. The next prime is 45223125653. The reversal of 45223125623 is 32652132254.

It is a cyclic number.

It is not a de Polignac number, because 45223125623 - 2¹² = 45223121527 is a prime.

It is a super-2 number, since 2×45223125623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45223125653) 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, 1965878 + ... + 1988748.

It is an arithmetic number, because the mean of its divisors is an integer number (3080000700).

Almost surely, 2^45223125623 is an apocalyptic number.

45223125623 is a deficient number, since it is larger than the sum of its proper divisors (4056885577).

45223125623 is a wasteful number, since it uses less digits than its factorization.

45223125623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24682.

The product of its digits is 86400, while the sum is 35.

Adding to 45223125623 its reverse (32652132254), we get a palindrome (77875257877).

The spelling of 45223125623 in words is "forty-five billion, two hundred twenty-three million, one hundred twenty-five thousand, six hundred twenty-three".