23258779 has 2 divisors, whose sum is σ = 23258780. Its totient is φ = 23258778.

The previous prime is 23258761. The next prime is 23258801. The reversal of 23258779 is 97785232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23258779 - 2²¹ = 21161627 is a prime.

It is not a weakly prime, because it can be changed into another prime (23258579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11629389 + 11629390.

It is an arithmetic number, because the mean of its divisors is an integer number (11629390).

Almost surely, 2^23258779 is an apocalyptic number.

23258779 is a deficient number, since it is larger than the sum of its proper divisors (1).

23258779 is an equidigital number, since it uses as much as digits as its factorization.

23258779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 23258779 is about 4822.7356344714. The cubic root of 23258779 is about 285.4492923603.

The spelling of 23258779 in words is "twenty-three million, two hundred fifty-eight thousand, seven hundred seventy-nine".