23352281 has 2 divisors, whose sum is σ = 23352282. Its totient is φ = 23352280.

The previous prime is 23352257. The next prime is 23352283. The reversal of 23352281 is 18225332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17305600 + 6046681 = 4160^2 + 2459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23352281 is a prime.

It is a super-2 number, since 2×23352281² = 1090658055805922, which contains 22 as substring.

Together with 23352283, it forms a pair of twin primes.

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 23352281.

It is not a weakly prime, because it can be changed into another prime (23352283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11676140 + 11676141.

It is an arithmetic number, because the mean of its divisors is an integer number (11676141).

Almost surely, 2^23352281 is an apocalyptic number.

It is an amenable number.

23352281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23352281 is an equidigital number, since it uses as much as digits as its factorization.

23352281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 23352281 is about 4832.4197872288. The cubic root of 23352281 is about 285.8312899713.

The spelling of 23352281 in words is "twenty-three million, three hundred fifty-two thousand, two hundred eighty-one".