323120121021223 has 2 divisors, whose sum is σ = 323120121021224. Its totient is φ = 323120121021222.

The previous prime is 323120121021127. The next prime is 323120121021233. The reversal of 323120121021223 is 322120121021323.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323120121021223 is a prime.

It is a super-2 number, since 2×323120121021223² (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 (323120121021233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161560060510611 + 161560060510612.

It is an arithmetic number, because the mean of its divisors is an integer number (161560060510612).

Almost surely, 2^{323120121021223} is an apocalyptic number.

323120121021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

323120121021223 is an equidigital number, since it uses as much as digits as its factorization.

323120121021223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 323120121021223 its reverse (322120121021323), we get a palindrome (645240242042546).

The spelling of 323120121021223 in words is "three hundred twenty-three trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-three".