23538642 has 16 divisors (see below), whose sum is σ = 49846752. Its totient is φ = 7384640.

The previous prime is 23538617. The next prime is 23538643. The reversal of 23538642 is 24683532.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23538643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115284 + ... + 115487.

It is an arithmetic number, because the mean of its divisors is an integer number (3115422).

Almost surely, 2^23538642 is an apocalyptic number.

23538642 is an abundant number, since it is smaller than the sum of its proper divisors (26308110).

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

23538642 is a wasteful number, since it uses less digits than its factorization.

23538642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230793.

The product of its digits is 34560, while the sum is 33.

The square root of 23538642 is about 4851.6638383136. The cubic root of 23538642 is about 286.5896274564.

The spelling of 23538642 in words is "twenty-three million, five hundred thirty-eight thousand, six hundred forty-two".