123232213123 has 2 divisors, whose sum is σ = 123232213124. Its totient is φ = 123232213122.

The previous prime is 123232213073. The next prime is 123232213147. The reversal of 123232213123 is 321312232321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123232213123 is a prime.

It is not a weakly prime, because it can be changed into another prime (123232216123) 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, 61616106561 + 61616106562.

It is an arithmetic number, because the mean of its divisors is an integer number (61616106562).

Almost surely, 2^123232213123 is an apocalyptic number.

123232213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

123232213123 is an equidigital number, since it uses as much as digits as its factorization.

123232213123 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 123232213123 its reverse (321312232321), we get a palindrome (444544445444).

The spelling of 123232213123 in words is "one hundred twenty-three billion, two hundred thirty-two million, two hundred thirteen thousand, one hundred twenty-three".