23326638 has 16 divisors (see below), whose sum is σ = 46806096. Its totient is φ = 7750080.

The previous prime is 23326637. The next prime is 23326673. The reversal of 23326638 is 83662332.

It is a junction number, because it is equal to n+sod(n) for n = 23326599 and 23326608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23326637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4333 + ... + 8088.

It is an arithmetic number, because the mean of its divisors is an integer number (2925381).

Almost surely, 2^23326638 is an apocalyptic number.

23326638 is an abundant number, since it is smaller than the sum of its proper divisors (23479458).

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

23326638 is a wasteful number, since it uses less digits than its factorization.

23326638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12739.

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

The square root of 23326638 is about 4829.7658328329. The cubic root of 23326638 is about 285.7266284430.

The spelling of 23326638 in words is "twenty-three million, three hundred twenty-six thousand, six hundred thirty-eight".