23638230 has 160 divisors (see below), whose sum is σ = 79453440. Its totient is φ = 4898880.

The previous prime is 23638229. The next prime is 23638231. The reversal of 23638230 is 3283632.

23638230 is a `hidden beast` number, since 2 + 3 + 638 + 23 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23638229) and next prime (23638231).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23638194 and 23638203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23638231) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 62181 + ... + 62559.

It is an arithmetic number, because the mean of its divisors is an integer number (496584).

Almost surely, 2^23638230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23638230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39726720).

23638230 is an abundant number, since it is smaller than the sum of its proper divisors (55815210).

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

23638230 is a wasteful number, since it uses less digits than its factorization.

23638230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 23638230 is about 4861.9162888721. The cubic root of 23638230 is about 286.9932294938.

The spelling of 23638230 in words is "twenty-three million, six hundred thirty-eight thousand, two hundred thirty".