321345222543923 has 2 divisors, whose sum is σ = 321345222543924. Its totient is φ = 321345222543922.

The previous prime is 321345222543899. The next prime is 321345222543953. The reversal of 321345222543923 is 329345222543123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321345222543923 - 2³⁰ = 321344148802099 is a prime.

It is not a weakly prime, because it can be changed into another prime (321345222543953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160672611271961 + 160672611271962.

It is an arithmetic number, because the mean of its divisors is an integer number (160672611271962).

Almost surely, 2^{321345222543923} is an apocalyptic number.

321345222543923 is a deficient number, since it is larger than the sum of its proper divisors (1).

321345222543923 is an equidigital number, since it uses as much as digits as its factorization.

321345222543923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 50.

The spelling of 321345222543923 in words is "three hundred twenty-one trillion, three hundred forty-five billion, two hundred twenty-two million, five hundred forty-three thousand, nine hundred twenty-three".