23406779 has 8 divisors (see below), whose sum is σ = 25799088. Its totient is φ = 21058560.

The previous prime is 23406751. The next prime is 23406781. The reversal of 23406779 is 97760432.

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

It is a cyclic number.

It is not a de Polignac number, because 23406779 - 2²⁴ = 6629563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23406379) 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 7 ways as a sum of consecutive naturals, for example, 9902 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (3224886).

Almost surely, 2^23406779 is an apocalyptic number.

23406779 is a deficient number, since it is larger than the sum of its proper divisors (2392309).

23406779 is a wasteful number, since it uses less digits than its factorization.

23406779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22045.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 23406779 is about 4838.0552911268. The cubic root of 23406779 is about 286.0534685760.

It can be divided in two parts, 2340 and 6779, that added together give a palindrome (9119).

The spelling of 23406779 in words is "twenty-three million, four hundred six thousand, seven hundred seventy-nine".