23255745 has 16 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 11673344.

The previous prime is 23255731. The next prime is 23255747. The reversal of 23255745 is 54755232.

It is a cyclic number.

It is not a de Polignac number, because 23255745 - 2²³ = 14867137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23255747) 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, 45345 + ... + 45854.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^23255745 is an apocalyptic number.

It is an amenable number.

23255745 is a deficient number, since it is larger than the sum of its proper divisors (16142655).

23255745 is a wasteful number, since it uses less digits than its factorization.

23255745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91224.

The product of its digits is 42000, while the sum is 33.

The square root of 23255745 is about 4822.4210724490. The cubic root of 23255745 is about 285.4368799746.

The spelling of 23255745 in words is "twenty-three million, two hundred fifty-five thousand, seven hundred forty-five".