23388129 has 16 divisors (see below), whose sum is σ = 34767040. Its totient is φ = 15539040.

The previous prime is 23388121. The next prime is 23388143. The reversal of 23388129 is 92188332.

It is a happy number.

It is not a de Polignac number, because 23388129 - 2³ = 23388121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23388093 and 23388102.

It is not an unprimeable number, because it can be changed into a prime (23388121) 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, 7629 + ... + 10245.

It is an arithmetic number, because the mean of its divisors is an integer number (2172940).

Almost surely, 2^23388129 is an apocalyptic number.

It is an amenable number.

23388129 is a deficient number, since it is larger than the sum of its proper divisors (11378911).

23388129 is a wasteful number, since it uses less digits than its factorization.

23388129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2951 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 23388129 is about 4836.1274797094. The cubic root of 23388129 is about 285.9774747122.

The spelling of 23388129 in words is "twenty-three million, three hundred eighty-eight thousand, one hundred twenty-nine".