23559142 has 4 divisors (see below), whose sum is σ = 35338716. Its totient is φ = 11779570.

The previous prime is 23559139. The next prime is 23559157. The reversal of 23559142 is 24195532.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5889784 + ... + 5889787.

It is an arithmetic number, because the mean of its divisors is an integer number (8834679).

Almost surely, 2^23559142 is an apocalyptic number.

23559142 is a deficient number, since it is larger than the sum of its proper divisors (11779574).

23559142 is a wasteful number, since it uses less digits than its factorization.

23559142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11779573.

The product of its digits is 10800, while the sum is 31.

The square root of 23559142 is about 4853.7760558147. The cubic root of 23559142 is about 286.6728010826.

The spelling of 23559142 in words is "twenty-three million, five hundred fifty-nine thousand, one hundred forty-two".