23138124 has 24 divisors (see below), whose sum is σ = 56831040. Its totient is φ = 7306704.

The previous prime is 23138123. The next prime is 23138197. The reversal of 23138124 is 42183132.

It is a junction number, because it is equal to n+sod(n) for n = 23138094 and 23138103.

It is not an unprimeable number, because it can be changed into a prime (23138123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50514 + ... + 50969.

It is an arithmetic number, because the mean of its divisors is an integer number (2367960).

Almost surely, 2^23138124 is an apocalyptic number.

It is an amenable number.

23138124 is an abundant number, since it is smaller than the sum of its proper divisors (33692916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23138124 is a wasteful number, since it uses less digits than its factorization.

23138124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101509 (or 101507 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 23138124 is about 4810.2103904091. The cubic root of 23138124 is about 284.9548466478.

The spelling of 23138124 in words is "twenty-three million, one hundred thirty-eight thousand, one hundred twenty-four".