23243142 has 16 divisors (see below), whose sum is σ = 50062320. Its totient is φ = 7151712.

The previous prime is 23243119. The next prime is 23243153. The reversal of 23243142 is 24134232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148917 + ... + 149072.

It is an arithmetic number, because the mean of its divisors is an integer number (3128895).

Almost surely, 2^23243142 is an apocalyptic number.

23243142 is an abundant number, since it is smaller than the sum of its proper divisors (26819178).

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

23243142 is a wasteful number, since it uses less digits than its factorization.

23243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298007.

The product of its digits is 1152, while the sum is 21.

The square root of 23243142 is about 4821.1141865755. The cubic root of 23243142 is about 285.3853083302.

Adding to 23243142 its reverse (24134232), we get a palindrome (47377374).

The spelling of 23243142 in words is "twenty-three million, two hundred forty-three thousand, one hundred forty-two".