23165534301233 has 2 divisors, whose sum is σ = 23165534301234. Its totient is φ = 23165534301232.

The previous prime is 23165534301197. The next prime is 23165534301251. The reversal of 23165534301233 is 33210343556132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16845705339904 + 6319828961329 = 4104352^2 + 2513927^2 .

It is a cyclic number.

It is not a de Polignac number, because 23165534301233 - 2¹² = 23165534297137 is a prime.

It is not a weakly prime, because it can be changed into another prime (23165534309233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11582767150616 + 11582767150617.

It is an arithmetic number, because the mean of its divisors is an integer number (11582767150617).

Almost surely, 2^{23165534301233} is an apocalyptic number.

It is an amenable number.

23165534301233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23165534301233 is an equidigital number, since it uses as much as digits as its factorization.

23165534301233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 41.

Adding to 23165534301233 its reverse (33210343556132), we get a palindrome (56375877857365).

The spelling of 23165534301233 in words is "twenty-three trillion, one hundred sixty-five billion, five hundred thirty-four million, three hundred one thousand, two hundred thirty-three".