23533142 has 8 divisors (see below), whose sum is σ = 35358600. Its totient is φ = 11746944.

The previous prime is 23533127. The next prime is 23533171. The reversal of 23533142 is 24133532.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 8267 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (4419825).

Almost surely, 2^23533142 is an apocalyptic number.

23533142 is a deficient number, since it is larger than the sum of its proper divisors (11825458).

23533142 is a wasteful number, since it uses less digits than its factorization.

23533142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19630.

The product of its digits is 2160, while the sum is 23.

The square root of 23533142 is about 4851.0969893417. The cubic root of 23533142 is about 286.5673043655.

Adding to 23533142 its reverse (24133532), we get a palindrome (47666674).

The spelling of 23533142 in words is "twenty-three million, five hundred thirty-three thousand, one hundred forty-two".