23422142 has 16 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 11167992.

The previous prime is 23422129. The next prime is 23422171. The reversal of 23422142 is 24122432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21503 + ... + 22565.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^23422142 is an apocalyptic number.

23422142 is a deficient number, since it is larger than the sum of its proper divisors (13349698).

23422142 is a wasteful number, since it uses less digits than its factorization.

23422142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567.

The product of its digits is 768, while the sum is 20.

The square root of 23422142 is about 4839.6427554108. The cubic root of 23422142 is about 286.1160384596.

Adding to 23422142 its reverse (24122432), we get a palindrome (47544574).

The spelling of 23422142 in words is "twenty-three million, four hundred twenty-two thousand, one hundred forty-two".