23078838 has 16 divisors (see below), whose sum is σ = 47749680. Its totient is φ = 7427616.

The previous prime is 23078827. The next prime is 23078851. The reversal of 23078838 is 83887032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23078796 and 23078805.

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, 66145 + ... + 66492.

It is an arithmetic number, because the mean of its divisors is an integer number (2984355).

Almost surely, 2^23078838 is an apocalyptic number.

23078838 is an abundant number, since it is smaller than the sum of its proper divisors (24670842).

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

23078838 is a wasteful number, since it uses less digits than its factorization.

23078838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132671.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 23078838 is about 4804.0439215311. The cubic root of 23078838 is about 284.7112618980.

The spelling of 23078838 in words is "twenty-three million, seventy-eight thousand, eight hundred thirty-eight".