123373399967 has 2 divisors, whose sum is σ = 123373399968. Its totient is φ = 123373399966.

The previous prime is 123373399951. The next prime is 123373400009. The reversal of 123373399967 is 769993373321.

It is a weak prime.

It is an emirp because it is prime and its reverse (769993373321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123373399967 - 2⁴ = 123373399951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123373399927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61686699983 + 61686699984.

It is an arithmetic number, because the mean of its divisors is an integer number (61686699984).

Almost surely, 2^123373399967 is an apocalyptic number.

123373399967 is a deficient number, since it is larger than the sum of its proper divisors (1).

123373399967 is an equidigital number, since it uses as much as digits as its factorization.

123373399967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34720812, while the sum is 62.

The spelling of 123373399967 in words is "one hundred twenty-three billion, three hundred seventy-three million, three hundred ninety-nine thousand, nine hundred sixty-seven".