23355745 has 16 divisors (see below), whose sum is σ = 32352768. Its totient is φ = 15854400.

The previous prime is 23355737. The next prime is 23355749. The reversal of 23355745 is 54755332.

It is not a de Polignac number, because 23355745 - 2³ = 23355737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23355745.

It is not an unprimeable number, because it can be changed into a prime (23355749) 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, 232 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (2022048).

Almost surely, 2^23355745 is an apocalyptic number.

It is an amenable number.

23355745 is a deficient number, since it is larger than the sum of its proper divisors (8997023).

23355745 is a wasteful number, since it uses less digits than its factorization.

23355745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720.

The product of its digits is 63000, while the sum is 34.

The square root of 23355745 is about 4832.7781865093. The cubic root of 23355745 is about 285.8454223614.

The spelling of 23355745 in words is "twenty-three million, three hundred fifty-five thousand, seven hundred forty-five".