23890755 has 16 divisors (see below), whose sum is σ = 43686144. Its totient is φ = 10921440.

The previous prime is 23890753. The next prime is 23890777. The reversal of 23890755 is 55709832.

It is not a de Polignac number, because 23890755 - 2¹ = 23890753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23890753) 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, 113661 + ... + 113870.

It is an arithmetic number, because the mean of its divisors is an integer number (2730384).

Almost surely, 2^23890755 is an apocalyptic number.

23890755 is a deficient number, since it is larger than the sum of its proper divisors (19795389).

23890755 is a wasteful number, since it uses less digits than its factorization.

23890755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227546.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 23890755 is about 4887.8169973926. The cubic root of 23890755 is about 288.0115856643.

The spelling of 23890755 in words is "twenty-three million, eight hundred ninety thousand, seven hundred fifty-five".