23813142 has 32 divisors (see below), whose sum is σ = 50865408. Its totient is φ = 7414176.

The previous prime is 23813131. The next prime is 23813143. The reversal of 23813142 is 24131832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23813143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3928 + ... + 7940.

It is an arithmetic number, because the mean of its divisors is an integer number (1589544).

Almost surely, 2^23813142 is an apocalyptic number.

23813142 is an abundant number, since it is smaller than the sum of its proper divisors (27052266).

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

23813142 is a wasteful number, since it uses less digits than its factorization.

23813142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084.

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

The square root of 23813142 is about 4879.8711048551. The cubic root of 23813142 is about 287.6993631715.

Adding to 23813142 its reverse (24131832), we get a palindrome (47944974).

The spelling of 23813142 in words is "twenty-three million, eight hundred thirteen thousand, one hundred forty-two".