23352257 has 2 divisors, whose sum is σ = 23352258. Its totient is φ = 23352256.

The previous prime is 23352253. The next prime is 23352281. The reversal of 23352257 is 75225332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 5340721 = 4244^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 23352257 - 2² = 23352253 is a prime.

It is not a weakly prime, because it can be changed into another prime (23352253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11676128 + 11676129.

It is an arithmetic number, because the mean of its divisors is an integer number (11676129).

Almost surely, 2^23352257 is an apocalyptic number.

It is an amenable number.

23352257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23352257 is an equidigital number, since it uses as much as digits as its factorization.

23352257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 29.

The square root of 23352257 is about 4832.4173040001. The cubic root of 23352257 is about 285.8311920515.

Adding to 23352257 its reverse (75225332), we get a palindrome (98577589).

The spelling of 23352257 in words is "twenty-three million, three hundred fifty-two thousand, two hundred fifty-seven".