23131424142 has 24 divisors (see below), whose sum is σ = 50407792344. Its totient is φ = 7665904464.

The previous prime is 23131424137. The next prime is 23131424149. The reversal of 23131424142 is 24142413132.

23131424142 is a `hidden beast` number, since 231 + 3 + 1 + 424 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131424149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3710988 + ... + 3717215.

It is an arithmetic number, because the mean of its divisors is an integer number (2100324681).

Almost surely, 2^23131424142 is an apocalyptic number.

23131424142 is an abundant number, since it is smaller than the sum of its proper divisors (27276368202).

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

23131424142 is a wasteful number, since it uses less digits than its factorization.

23131424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428384 (or 7428381 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 23131424142 its reverse (24142413132), we get a palindrome (47273837274).

The spelling of 23131424142 in words is "twenty-three billion, one hundred thirty-one million, four hundred twenty-four thousand, one hundred forty-two".