123233312197 has 2 divisors, whose sum is σ = 123233312198. Its totient is φ = 123233312196.

The previous prime is 123233312179. The next prime is 123233312221. The reversal of 123233312197 is 791213332321.

Together with previous prime (123233312179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66662592481 + 56570719716 = 258191^2 + 237846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123233312197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123233312177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616656098 + 61616656099.

It is an arithmetic number, because the mean of its divisors is an integer number (61616656099).

Almost surely, 2^123233312197 is an apocalyptic number.

It is an amenable number.

123233312197 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233312197 is an equidigital number, since it uses as much as digits as its factorization.

123233312197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The spelling of 123233312197 in words is "one hundred twenty-three billion, two hundred thirty-three million, three hundred twelve thousand, one hundred ninety-seven".