23382857 has 2 divisors, whose sum is σ = 23382858. Its totient is φ = 23382856.

The previous prime is 23382851. The next prime is 23382883. The reversal of 23382857 is 75828332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13623481 + 9759376 = 3691^2 + 3124^2 .

It is a cyclic number.

It is not a de Polignac number, because 23382857 - 2¹⁰ = 23381833 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23382857.

It is not a weakly prime, because it can be changed into another prime (23382851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11691428 + 11691429.

It is an arithmetic number, because the mean of its divisors is an integer number (11691429).

Almost surely, 2^23382857 is an apocalyptic number.

It is an amenable number.

23382857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23382857 is an equidigital number, since it uses as much as digits as its factorization.

23382857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 23382857 is about 4835.5823847806. The cubic root of 23382857 is about 285.9559853697.

The spelling of 23382857 in words is "twenty-three million, three hundred eighty-two thousand, eight hundred fifty-seven".