123331230331 has 2 divisors, whose sum is σ = 123331230332. Its totient is φ = 123331230330.

The previous prime is 123331230313. The next prime is 123331230343. The reversal of 123331230331 is 133032133321.

Together with previous prime (123331230313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123331230331 - 2¹⁷ = 123331099259 is a prime.

It is a super-2 number, since 2×123331230331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123331230296 and 123331230305.

It is not a weakly prime, because it can be changed into another prime (123331230031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61665615165 + 61665615166.

It is an arithmetic number, because the mean of its divisors is an integer number (61665615166).

Almost surely, 2^123331230331 is an apocalyptic number.

123331230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

123331230331 is an equidigital number, since it uses as much as digits as its factorization.

123331230331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 123331230331 its reverse (133032133321), we get a palindrome (256363363652).

The spelling of 123331230331 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred thirty thousand, three hundred thirty-one".