323212213287517 has 2 divisors, whose sum is σ = 323212213287518. Its totient is φ = 323212213287516.

The previous prime is 323212213287497. The next prime is 323212213287529. The reversal of 323212213287517 is 715782312212323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322565227930201 + 646985357316 = 17960101^2 + 804354^2 .

It is a cyclic number.

It is not a de Polignac number, because 323212213287517 - 2³¹ = 323210065803869 is a prime.

It is a super-2 number, since 2×323212213287517² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212213287317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606106643758 + 161606106643759.

It is an arithmetic number, because the mean of its divisors is an integer number (161606106643759).

Almost surely, 2^{323212213287517} is an apocalyptic number.

It is an amenable number.

323212213287517 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212213287517 is an equidigital number, since it uses as much as digits as its factorization.

323212213287517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The spelling of 323212213287517 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirteen million, two hundred eighty-seven thousand, five hundred seventeen".