23888638 has 8 divisors (see below), whose sum is σ = 37940832. Its totient is φ = 11241696.

The previous prime is 23888633. The next prime is 23888639. The reversal of 23888638 is 83688832.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23888633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351270 + ... + 351337.

It is an arithmetic number, because the mean of its divisors is an integer number (4742604).

Almost surely, 2^23888638 is an apocalyptic number.

23888638 is a deficient number, since it is larger than the sum of its proper divisors (14052194).

23888638 is a wasteful number, since it uses less digits than its factorization.

23888638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702626.

The product of its digits is 442368, while the sum is 46.

The square root of 23888638 is about 4887.6004337507. The cubic root of 23888638 is about 288.0030783493.

It can be divided in two parts, 2388 and 8638, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 23888638 in words is "twenty-three million, eight hundred eighty-eight thousand, six hundred thirty-eight".