23874638 has 4 divisors (see below), whose sum is σ = 35811960. Its totient is φ = 11937318.

The previous prime is 23874629. The next prime is 23874649. The reversal of 23874638 is 83647832.

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

It is a junction number, because it is equal to n+sod(n) for n = 23874595 and 23874604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5968658 + ... + 5968661.

It is an arithmetic number, because the mean of its divisors is an integer number (8952990).

Almost surely, 2^23874638 is an apocalyptic number.

23874638 is a deficient number, since it is larger than the sum of its proper divisors (11937322).

23874638 is a wasteful number, since it uses less digits than its factorization.

23874638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937321.

The product of its digits is 193536, while the sum is 41.

The square root of 23874638 is about 4886.1680282201. The cubic root of 23874638 is about 287.9468056976.

The spelling of 23874638 in words is "twenty-three million, eight hundred seventy-four thousand, six hundred thirty-eight".