23200638 has 16 divisors (see below), whose sum is σ = 48001680. Its totient is φ = 7466816.

The previous prime is 23200637. The next prime is 23200649. The reversal of 23200638 is 83600232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200637) 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, 66495 + ... + 66842.

It is an arithmetic number, because the mean of its divisors is an integer number (3000105).

Almost surely, 2^23200638 is an apocalyptic number.

23200638 is an abundant number, since it is smaller than the sum of its proper divisors (24801042).

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

23200638 is a wasteful number, since it uses less digits than its factorization.

23200638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133371.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23200638 is about 4816.7040598318. The cubic root of 23200638 is about 285.2112438170.

It can be divided in two parts, 23 and 200638, that added together give a triangular number (200661 = T₆₃₃).

The spelling of 23200638 in words is "twenty-three million, two hundred thousand, six hundred thirty-eight".