23355779 has 2 divisors, whose sum is σ = 23355780. Its totient is φ = 23355778.

The previous prime is 23355749. The next prime is 23355869. The reversal of 23355779 is 97755332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23355779 - 2⁸ = 23355523 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (23355719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11677889 + 11677890.

It is an arithmetic number, because the mean of its divisors is an integer number (11677890).

Almost surely, 2^23355779 is an apocalyptic number.

23355779 is a deficient number, since it is larger than the sum of its proper divisors (1).

23355779 is an equidigital number, since it uses as much as digits as its factorization.

23355779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 198450, while the sum is 41.

The square root of 23355779 is about 4832.7817041534. The cubic root of 23355779 is about 285.8455610674.

The spelling of 23355779 in words is "twenty-three million, three hundred fifty-five thousand, seven hundred seventy-nine".