23125045 has 16 divisors (see below), whose sum is σ = 28409472. Its totient is φ = 18066240.

The previous prime is 23125031. The next prime is 23125057. The reversal of 23125045 is 54052132.

It is a de Polignac number, because none of the positive numbers 2^k-23125045 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42475 + ... + 43015.

It is an arithmetic number, because the mean of its divisors is an integer number (1775592).

Almost surely, 2^23125045 is an apocalyptic number.

It is an amenable number.

23125045 is a deficient number, since it is larger than the sum of its proper divisors (5284427).

23125045 is a wasteful number, since it uses less digits than its factorization.

23125045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 23125045 is about 4808.8506942928. The cubic root of 23125045 is about 284.9011455658.

Adding to 23125045 its reverse (54052132), we get a palindrome (77177177).

The spelling of 23125045 in words is "twenty-three million, one hundred twenty-five thousand, forty-five".