23165352229 has 2 divisors, whose sum is σ = 23165352230. Its totient is φ = 23165352228.

The previous prime is 23165352127. The next prime is 23165352239. The reversal of 23165352229 is 92225356132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20533457025 + 2631895204 = 143295^2 + 51302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23165352229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23165352191 and 23165352200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23165352239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11582676114 + 11582676115.

It is an arithmetic number, because the mean of its divisors is an integer number (11582676115).

Almost surely, 2^23165352229 is an apocalyptic number.

It is an amenable number.

23165352229 is a deficient number, since it is larger than the sum of its proper divisors (1).

23165352229 is an equidigital number, since it uses as much as digits as its factorization.

23165352229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 40.

The spelling of 23165352229 in words is "twenty-three billion, one hundred sixty-five million, three hundred fifty-two thousand, two hundred twenty-nine".