23382257 has 2 divisors, whose sum is σ = 23382258. Its totient is φ = 23382256.

The previous prime is 23382211. The next prime is 23382313. The reversal of 23382257 is 75228332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21939856 + 1442401 = 4684^2 + 1201^2 .

It is a cyclic number.

It is not a de Polignac number, because 23382257 - 2⁶ = 23382193 is a prime.

It is not a weakly prime, because it can be changed into another prime (23382757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11691128 + 11691129.

It is an arithmetic number, because the mean of its divisors is an integer number (11691129).

Almost surely, 2^23382257 is an apocalyptic number.

It is an amenable number.

23382257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23382257 is an equidigital number, since it uses as much as digits as its factorization.

23382257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 23382257 is about 4835.5203442856. The cubic root of 23382257 is about 285.9535394886.

The spelling of 23382257 in words is "twenty-three million, three hundred eighty-two thousand, two hundred fifty-seven".