23055645 has 16 divisors (see below), whose sum is σ = 38831040. Its totient is φ = 11649024.

The previous prime is 23055631. The next prime is 23055647. The reversal of 23055645 is 54655032.

It is not a de Polignac number, because 23055645 - 2⁶ = 23055581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055647) 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, 40164 + ... + 40733.

It is an arithmetic number, because the mean of its divisors is an integer number (2426940).

Almost surely, 2^23055645 is an apocalyptic number.

It is an amenable number.

23055645 is a deficient number, since it is larger than the sum of its proper divisors (15775395).

23055645 is a wasteful number, since it uses less digits than its factorization.

23055645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80924.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 23055645 is about 4801.6294109396. The cubic root of 23055645 is about 284.6158567260.

The spelling of 23055645 in words is "twenty-three million, fifty-five thousand, six hundred forty-five".