23173070221033 has 2 divisors, whose sum is σ = 23173070221034. Its totient is φ = 23173070221032.

The previous prime is 23173070221027. The next prime is 23173070221073. The reversal of 23173070221033 is 33012207037132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22092744885264 + 1080325335769 = 4700292^2 + 1039387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23173070221033 is a prime.

It is a super-2 number, since 2×23173070221033² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23173070221033.

It is not a weakly prime, because it can be changed into another prime (23173070221073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586535110516 + 11586535110517.

It is an arithmetic number, because the mean of its divisors is an integer number (11586535110517).

Almost surely, 2^{23173070221033} is an apocalyptic number.

It is an amenable number.

23173070221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23173070221033 is an equidigital number, since it uses as much as digits as its factorization.

23173070221033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 34.

Adding to 23173070221033 its reverse (33012207037132), we get a palindrome (56185277258165).

The spelling of 23173070221033 in words is "twenty-three trillion, one hundred seventy-three billion, seventy million, two hundred twenty-one thousand, thirty-three".