23916542 has 16 divisors (see below), whose sum is σ = 38870160. Its totient is φ = 11036376.

The previous prime is 23916523. The next prime is 23916559. The reversal of 23916542 is 24561932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23916499 and 23916508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (2429385).

Almost surely, 2^23916542 is an apocalyptic number.

23916542 is a deficient number, since it is larger than the sum of its proper divisors (14953618).

23916542 is an equidigital number, since it uses as much as digits as its factorization.

23916542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5458 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 23916542 is about 4890.4541711379. The cubic root of 23916542 is about 288.1151722360.

The spelling of 23916542 in words is "twenty-three million, nine hundred sixteen thousand, five hundred forty-two".