23885939 has 16 divisors (see below), whose sum is σ = 29963520. Its totient is φ = 18497760.

The previous prime is 23885893. The next prime is 23885947. The reversal of 23885939 is 93958832.

It is a cyclic number.

It is not a de Polignac number, because 23885939 - 2¹⁶ = 23820403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23885893 and 23885902.

It is not an unprimeable number, because it can be changed into a prime (23885999) 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, 12917 + ... + 14649.

It is an arithmetic number, because the mean of its divisors is an integer number (1872720).

Almost surely, 2^23885939 is an apocalyptic number.

23885939 is a deficient number, since it is larger than the sum of its proper divisors (6077581).

23885939 is a wasteful number, since it uses less digits than its factorization.

23885939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930.

The product of its digits is 466560, while the sum is 47.

The square root of 23885939 is about 4887.3243190932. The cubic root of 23885939 is about 287.9922314970.

The spelling of 23885939 in words is "twenty-three million, eight hundred eighty-five thousand, nine hundred thirty-nine".