321240322223 has 2 divisors, whose sum is σ = 321240322224. Its totient is φ = 321240322222.

The previous prime is 321240322219. The next prime is 321240322237. The reversal of 321240322223 is 322223042123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321240322223 - 2² = 321240322219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321240322192 and 321240322201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321240321223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160620161111 + 160620161112.

It is an arithmetic number, because the mean of its divisors is an integer number (160620161112).

Almost surely, 2^321240322223 is an apocalyptic number.

321240322223 is a deficient number, since it is larger than the sum of its proper divisors (1).

321240322223 is an equidigital number, since it uses as much as digits as its factorization.

321240322223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 321240322223 its reverse (322223042123), we get a palindrome (643463364346).

The spelling of 321240322223 in words is "three hundred twenty-one billion, two hundred forty million, three hundred twenty-two thousand, two hundred twenty-three".