123312232123 has 2 divisors, whose sum is σ = 123312232124. Its totient is φ = 123312232122.

The previous prime is 123312232091. The next prime is 123312232151. The reversal of 123312232123 is 321232213321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123312232123 - 2⁵ = 123312232091 is a prime.

It is not a weakly prime, because it can be changed into another prime (123312232723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61656116061 + 61656116062.

It is an arithmetic number, because the mean of its divisors is an integer number (61656116062).

Almost surely, 2^123312232123 is an apocalyptic number.

123312232123 is a deficient number, since it is larger than the sum of its proper divisors (1).

123312232123 is an equidigital number, since it uses as much as digits as its factorization.

123312232123 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 123312232123 its reverse (321232213321), we get a palindrome (444544445444).

The spelling of 123312232123 in words is "one hundred twenty-three billion, three hundred twelve million, two hundred thirty-two thousand, one hundred twenty-three".