23538129 has 8 divisors (see below), whose sum is σ = 31781760. Its totient is φ = 15493296.

The previous prime is 23538127. The next prime is 23538139. The reversal of 23538129 is 92183532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23538129 - 2¹ = 23538127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23538129.

It is not an unprimeable number, because it can be changed into a prime (23538127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49422 + ... + 49895.

It is an arithmetic number, because the mean of its divisors is an integer number (3972720).

Almost surely, 2^23538129 is an apocalyptic number.

It is an amenable number.

23538129 is a deficient number, since it is larger than the sum of its proper divisors (8243631).

23538129 is an equidigital number, since it uses as much as digits as its factorization.

23538129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99399.

The product of its digits is 12960, while the sum is 33.

The square root of 23538129 is about 4851.6109695646. The cubic root of 23538129 is about 286.5875454679.

The spelling of 23538129 in words is "twenty-three million, five hundred thirty-eight thousand, one hundred twenty-nine".