20223312323017 has 2 divisors, whose sum is σ = 20223312323018. Its totient is φ = 20223312323016.

The previous prime is 20223312322991. The next prime is 20223312323317. The reversal of 20223312323017 is 71032321332202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20071932189241 + 151380133776 = 4480171^2 + 389076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223312323017 is a prime.

It is a super-2 number, since 2×20223312323017² (a number of 27 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 20223312323017.

It is not a weakly prime, because it can be changed into another prime (20223312323317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111656161508 + 10111656161509.

It is an arithmetic number, because the mean of its divisors is an integer number (10111656161509).

Almost surely, 2^{20223312323017} is an apocalyptic number.

It is an amenable number.

20223312323017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223312323017 is an equidigital number, since it uses as much as digits as its factorization.

20223312323017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 20223312323017 its reverse (71032321332202), we get a palindrome (91255633655219).

The spelling of 20223312323017 in words is "twenty trillion, two hundred twenty-three billion, three hundred twelve million, three hundred twenty-three thousand, seventeen".