123321223331 has 2 divisors, whose sum is σ = 123321223332. Its totient is φ = 123321223330.

The previous prime is 123321223303. The next prime is 123321223351. The reversal of 123321223331 is 133322123321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123321223331 - 2³⁰ = 122247481507 is a prime.

It is a super-2 number, since 2×123321223331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123321223331.

It is not a weakly prime, because it can be changed into another prime (123321223301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660611665 + 61660611666.

It is an arithmetic number, because the mean of its divisors is an integer number (61660611666).

Almost surely, 2^123321223331 is an apocalyptic number.

123321223331 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321223331 is an equidigital number, since it uses as much as digits as its factorization.

123321223331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

Adding to 123321223331 its reverse (133322123321), we get a palindrome (256643346652).

The spelling of 123321223331 in words is "one hundred twenty-three billion, three hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty-one".