323120121223 has 2 divisors, whose sum is σ = 323120121224. Its totient is φ = 323120121222.

The previous prime is 323120121209. The next prime is 323120121239. The reversal of 323120121223 is 322121021323.

It is a weak prime.

It is an emirp because it is prime and its reverse (322121021323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323120121223 - 2⁹ = 323120120711 is a prime.

It is a super-2 number, since 2×323120121223² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323120121194 and 323120121203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323120121253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161560060611 + 161560060612.

It is an arithmetic number, because the mean of its divisors is an integer number (161560060612).

Almost surely, 2^323120121223 is an apocalyptic number.

323120121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

323120121223 is an equidigital number, since it uses as much as digits as its factorization.

323120121223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 323120121223 its reverse (322121021323), we get a palindrome (645241142546).

The spelling of 323120121223 in words is "three hundred twenty-three billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-three".