23115789 has 12 divisors (see below), whose sum is σ = 33463872. Its totient is φ = 15376200.

The previous prime is 23115773. The next prime is 23115797. The reversal of 23115789 is 98751132.

It is not a de Polignac number, because 23115789 - 2⁴ = 23115773 is a prime.

It is a super-3 number, since 3×23115789³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1804 + ... + 7034.

It is an arithmetic number, because the mean of its divisors is an integer number (2788656).

Almost surely, 2^23115789 is an apocalyptic number.

It is an amenable number.

23115789 is a deficient number, since it is larger than the sum of its proper divisors (10348083).

23115789 is a wasteful number, since it uses less digits than its factorization.

23115789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728 (or 5725 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 23115789 is about 4807.8882058550. Note that the first 3 decimals coincide. The cubic root of 23115789 is about 284.8631291076.

It can be divided in two parts, 2311 and 5789, that added together give a square (8100 = 90²).

The spelling of 23115789 in words is "twenty-three million, one hundred fifteen thousand, seven hundred eighty-nine".