45130023 has 6 divisors (see below), whose sum is σ = 65187824. Its totient is φ = 30086676.

The previous prime is 45130013. The next prime is 45130037. The reversal of 45130023 is 32003154.

It is not a de Polignac number, because 45130023 - 2⁸ = 45129767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45129978 and 45130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45130013) 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 5 ways as a sum of consecutive naturals, for example, 2507215 + ... + 2507232.

Almost surely, 2^45130023 is an apocalyptic number.

45130023 is a deficient number, since it is larger than the sum of its proper divisors (20057801).

45130023 is a wasteful number, since it uses less digits than its factorization.

45130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014453 (or 5014450 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 45130023 is about 6717.8882842751. Note that the first 3 decimals coincide. The cubic root of 45130023 is about 356.0315772815.

Adding to 45130023 its reverse (32003154), we get a palindrome (77133177).

The spelling of 45130023 in words is "forty-five million, one hundred thirty thousand, twenty-three".