23118445 has 24 divisors (see below), whose sum is σ = 32569344. Its totient is φ = 15706656.

The previous prime is 23118401. The next prime is 23118457. The reversal of 23118445 is 54481132.

It is not a de Polignac number, because 23118445 - 2²¹ = 21021293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30744 + ... + 31486.

It is an arithmetic number, because the mean of its divisors is an integer number (1357056).

Almost surely, 2^23118445 is an apocalyptic number.

It is an amenable number.

23118445 is a deficient number, since it is larger than the sum of its proper divisors (9450899).

23118445 is a wasteful number, since it uses less digits than its factorization.

23118445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 882 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 23118445 is about 4808.1644106665. The cubic root of 23118445 is about 284.8740389306.

Adding to 23118445 its reverse (54481132), we get a palindrome (77599577).

The spelling of 23118445 in words is "twenty-three million, one hundred eighteen thousand, four hundred forty-five".