23888745 has 12 divisors (see below), whose sum is σ = 41407236. Its totient is φ = 12740640.

The previous prime is 23888729. The next prime is 23888771. The reversal of 23888745 is 54788832.

It can be written as a sum of positive squares in 2 ways, for example, as 5817744 + 18071001 = 2412^2 + 4251^2 .

It is not a de Polignac number, because 23888745 - 2⁴ = 23888729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 530861 = 23888745 / (2 + 3 + 8 + 8 + 8 + 7 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 23888745.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265386 + ... + 265475.

It is an arithmetic number, because the mean of its divisors is an integer number (3450603).

Almost surely, 2^23888745 is an apocalyptic number.

It is an amenable number.

23888745 is a deficient number, since it is larger than the sum of its proper divisors (17518491).

23888745 is a wasteful number, since it uses less digits than its factorization.

23888745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530872 (or 530869 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 23888745 is about 4887.6113798051. The cubic root of 23888745 is about 288.0035083485.

The spelling of 23888745 in words is "twenty-three million, eight hundred eighty-eight thousand, seven hundred forty-five".