23263638 has 16 divisors (see below), whose sum is σ = 48976320. Its totient is φ = 7346376.

The previous prime is 23263627. The next prime is 23263651. The reversal of 23263638 is 83636232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23263599 and 23263608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101920 + ... + 102147.

It is an arithmetic number, because the mean of its divisors is an integer number (3061020).

Almost surely, 2^23263638 is an apocalyptic number.

23263638 is an abundant number, since it is smaller than the sum of its proper divisors (25712682).

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

23263638 is a wasteful number, since it uses less digits than its factorization.

23263638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204091.

The product of its digits is 31104, while the sum is 33.

The square root of 23263638 is about 4823.2393678937. The cubic root of 23263638 is about 285.4691687482.

The spelling of 23263638 in words is "twenty-three million, two hundred sixty-three thousand, six hundred thirty-eight".