123223132321 has 2 divisors, whose sum is σ = 123223132322. Its totient is φ = 123223132320.

The previous prime is 123223132243. The next prime is 123223132327. The reversal of 123223132321 is 123231322321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87077517921 + 36145614400 = 295089^2 + 190120^2 .

It is a cyclic number.

It is not a de Polignac number, because 123223132321 - 2¹⁷ = 123223001249 is a prime.

It is not a weakly prime, because it can be changed into another prime (123223132327) 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, 61611566160 + 61611566161.

It is an arithmetic number, because the mean of its divisors is an integer number (61611566161).

Almost surely, 2^123223132321 is an apocalyptic number.

It is an amenable number.

123223132321 is a deficient number, since it is larger than the sum of its proper divisors (1).

123223132321 is an equidigital number, since it uses as much as digits as its factorization.

123223132321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 123223132321 its reverse (123231322321), we get a palindrome (246454454642).

The spelling of 123223132321 in words is "one hundred twenty-three billion, two hundred twenty-three million, one hundred thirty-two thousand, three hundred twenty-one".