23556542 has 8 divisors (see below), whose sum is σ = 37194600. Its totient is φ = 11158344.

The previous prime is 23556527. The next prime is 23556563. The reversal of 23556542 is 24565532.

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

It is a junction number, because it is equal to n+sod(n) for n = 23556499 and 23556508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309917 + ... + 309992.

It is an arithmetic number, because the mean of its divisors is an integer number (4649325).

Almost surely, 2^23556542 is an apocalyptic number.

23556542 is a deficient number, since it is larger than the sum of its proper divisors (13638058).

23556542 is a wasteful number, since it uses less digits than its factorization.

23556542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619930.

The product of its digits is 36000, while the sum is 32.

The square root of 23556542 is about 4853.5082157137. The cubic root of 23556542 is about 286.6622549048.

The spelling of 23556542 in words is "twenty-three million, five hundred fifty-six thousand, five hundred forty-two".