23918142 has 8 divisors (see below), whose sum is σ = 47836296. Its totient is φ = 7972712.

The previous prime is 23918107. The next prime is 23918173. The reversal of 23918142 is 24181932.

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

23918142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993173 + ... + 1993184.

It is an arithmetic number, because the mean of its divisors is an integer number (5979537).

Almost surely, 2^23918142 is an apocalyptic number.

23918142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23918142 is a wasteful number, since it uses less digits than its factorization.

23918142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986362.

The product of its digits is 3456, while the sum is 30.

The square root of 23918142 is about 4890.6177523908. The cubic root of 23918142 is about 288.1215969941.

It can be divided in two parts, 239 and 18142, that added together give a palindrome (18381).

The spelling of 23918142 in words is "twenty-three million, nine hundred eighteen thousand, one hundred forty-two".