23881542 has 16 divisors (see below), whose sum is σ = 48368640. Its totient is φ = 7859592.

The previous prime is 23881523. The next prime is 23881553. The reversal of 23881542 is 24518832.

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 7 ways as a sum of consecutive naturals, for example, 24718 + ... + 25665.

It is an arithmetic number, because the mean of its divisors is an integer number (3023040).

Almost surely, 2^23881542 is an apocalyptic number.

23881542 is an abundant number, since it is smaller than the sum of its proper divisors (24487098).

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

23881542 is a wasteful number, since it uses less digits than its factorization.

23881542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50467.

The product of its digits is 15360, while the sum is 33.

The square root of 23881542 is about 4886.8744612482. The cubic root of 23881542 is about 287.9745589024.

The spelling of 23881542 in words is "twenty-three million, eight hundred eighty-one thousand, five hundred forty-two".