23638219 has 8 divisors (see below), whose sum is σ = 26676720. Its totient is φ = 20748000.

The previous prime is 23638207. The next prime is 23638229. The reversal of 23638219 is 91283632.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23638219 - 2⁷ = 23638091 is a prime.

It is a super-2 number, since 2×23638219² = 1117530794983922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23638229) 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, 36732 + ... + 37369.

It is an arithmetic number, because the mean of its divisors is an integer number (3334590).

Almost surely, 2^23638219 is an apocalyptic number.

23638219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23638219 is a deficient number, since it is larger than the sum of its proper divisors (3038501).

23638219 is a wasteful number, since it uses less digits than its factorization.

23638219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74141.

The product of its digits is 15552, while the sum is 34.

The square root of 23638219 is about 4861.9151576308. The cubic root of 23638219 is about 286.9931849766.

The spelling of 23638219 in words is "twenty-three million, six hundred thirty-eight thousand, two hundred nineteen".