23426142 has 64 divisors (see below), whose sum is σ = 51701760. Its totient is φ = 7056000.

The previous prime is 23426141. The next prime is 23426189. The reversal of 23426142 is 24162432.

It is a super-5 number, since 5×23426142⁵ (a number of 38 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231892 + ... + 231992.

It is an arithmetic number, because the mean of its divisors is an integer number (807840).

Almost surely, 2^23426142 is an apocalyptic number.

23426142 is an abundant number, since it is smaller than the sum of its proper divisors (28275618).

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

23426142 is a wasteful number, since it uses less digits than its factorization.

23426142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its digits is 2304, while the sum is 24.

The square root of 23426142 is about 4840.0559914117. The cubic root of 23426142 is about 286.1323250288.

Adding to 23426142 its reverse (24162432), we get a palindrome (47588574).

The spelling of 23426142 in words is "twenty-three million, four hundred twenty-six thousand, one hundred forty-two".