23242142 has 32 divisors (see below), whose sum is σ = 44651520. Its totient is φ = 8808480.

The previous prime is 23242129. The next prime is 23242169. The reversal of 23242142 is 24124232.

It is a congruent number.

It is an unprimeable number.

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, 3659 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (1395360).

Almost surely, 2^23242142 is an apocalyptic number.

23242142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23242142 is a deficient number, since it is larger than the sum of its proper divisors (21409378).

23242142 is a wasteful number, since it uses less digits than its factorization.

23242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136.

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

The square root of 23242142 is about 4821.0104749938. The cubic root of 23242142 is about 285.3812155186.

Adding to 23242142 its reverse (24124232), we get a palindrome (47366374).

The spelling of 23242142 in words is "twenty-three million, two hundred forty-two thousand, one hundred forty-two".