23078878 has 4 divisors (see below), whose sum is σ = 34618320. Its totient is φ = 11539438.

The previous prime is 23078873. The next prime is 23078879. The reversal of 23078878 is 87887032.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23078873) 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 as a sum of consecutive naturals, namely, 5769718 + ... + 5769721.

It is an arithmetic number, because the mean of its divisors is an integer number (8654580).

Almost surely, 2^23078878 is an apocalyptic number.

23078878 is a deficient number, since it is larger than the sum of its proper divisors (11539442).

23078878 is a wasteful number, since it uses less digits than its factorization.

23078878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11539441.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 23078878 is about 4804.0480846886. The cubic root of 23078878 is about 284.7114263841.

The spelling of 23078878 in words is "twenty-three million, seventy-eight thousand, eight hundred seventy-eight".