23662838 has 4 divisors (see below), whose sum is σ = 35494260. Its totient is φ = 11831418.

The previous prime is 23662831. The next prime is 23662841. The reversal of 23662838 is 83826632.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23662831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5915708 + ... + 5915711.

It is an arithmetic number, because the mean of its divisors is an integer number (8873565).

Almost surely, 2^23662838 is an apocalyptic number.

23662838 is a deficient number, since it is larger than the sum of its proper divisors (11831422).

23662838 is a wasteful number, since it uses less digits than its factorization.

23662838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11831421.

The product of its digits is 82944, while the sum is 38.

The square root of 23662838 is about 4864.4463199834. The cubic root of 23662838 is about 287.0927840448.

The spelling of 23662838 in words is "twenty-three million, six hundred sixty-two thousand, eight hundred thirty-eight".