23442878 has 8 divisors (see below), whose sum is σ = 35201520. Its totient is φ = 11709040.

The previous prime is 23442877. The next prime is 23442889. The reversal of 23442878 is 87824432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (4400190).

Almost surely, 2^23442878 is an apocalyptic number.

23442878 is a deficient number, since it is larger than the sum of its proper divisors (11758642).

23442878 is a wasteful number, since it uses less digits than its factorization.

23442878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402.

The product of its digits is 86016, while the sum is 38.

The square root of 23442878 is about 4841.7845883517. The cubic root of 23442878 is about 286.2004479357.

The spelling of 23442878 in words is "twenty-three million, four hundred forty-two thousand, eight hundred seventy-eight".