23456838 has 64 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 6988800.

The previous prime is 23456837. The next prime is 23456843. The reversal of 23456838 is 83865432.

It is a junction number, because it is equal to n+sod(n) for n = 23456796 and 23456805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23456833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296883 + ... + 296961.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^23456838 is an apocalyptic number.

23456838 is an abundant number, since it is smaller than the sum of its proper divisors (28797882).

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

23456838 is a wasteful number, since it uses less digits than its factorization.

23456838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 138240, while the sum is 39.

The square root of 23456838 is about 4843.2259910105. The cubic root of 23456838 is about 286.2572465001.

The spelling of 23456838 in words is "twenty-three million, four hundred fifty-six thousand, eight hundred thirty-eight".