225165230023 has 2 divisors, whose sum is σ = 225165230024. Its totient is φ = 225165230022.

The previous prime is 225165229969. The next prime is 225165230063. The reversal of 225165230023 is 320032561522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225165230023 is a prime.

It is a super-2 number, since 2×225165230023² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225165230063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112582615011 + 112582615012.

It is an arithmetic number, because the mean of its divisors is an integer number (112582615012).

Almost surely, 2^225165230023 is an apocalyptic number.

225165230023 is a deficient number, since it is larger than the sum of its proper divisors (1).

225165230023 is an equidigital number, since it uses as much as digits as its factorization.

225165230023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 225165230023 its reverse (320032561522), we get a palindrome (545197791545).

The spelling of 225165230023 in words is "two hundred twenty-five billion, one hundred sixty-five million, two hundred thirty thousand, twenty-three".