23730889 has 16 divisors (see below), whose sum is σ = 29585920. Its totient is φ = 18532800.

The previous prime is 23730887. The next prime is 23730893. The reversal of 23730889 is 98803732.

It is a happy number.

It is not a de Polignac number, because 23730889 - 2¹ = 23730887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23730887) 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, 5539 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (1849120).

Almost surely, 2^23730889 is an apocalyptic number.

It is an amenable number.

23730889 is a deficient number, since it is larger than the sum of its proper divisors (5855031).

23730889 is a wasteful number, since it uses less digits than its factorization.

23730889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 23730889 is about 4871.4360305766. The cubic root of 23730889 is about 287.3677334881.

The spelling of 23730889 in words is "twenty-three million, seven hundred thirty thousand, eight hundred eighty-nine".