23473779 has 8 divisors (see below), whose sum is σ = 35769600. Its totient is φ = 13413576.

The previous prime is 23473763. The next prime is 23473781. The reversal of 23473779 is 97737432.

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

It is not a de Polignac number, because 23473779 - 2⁴ = 23473763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23473779.

It is not an unprimeable number, because it can be changed into a prime (23473729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558879 + ... + 558920.

It is an arithmetic number, because the mean of its divisors is an integer number (4471200).

Almost surely, 2^23473779 is an apocalyptic number.

23473779 is a deficient number, since it is larger than the sum of its proper divisors (12295821).

23473779 is a wasteful number, since it uses less digits than its factorization.

23473779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117809.

The product of its digits is 222264, while the sum is 42.

The square root of 23473779 is about 4844.9746129366. The cubic root of 23473779 is about 286.3261434960.

The spelling of 23473779 in words is "twenty-three million, four hundred seventy-three thousand, seven hundred seventy-nine".