123199996027 has 2 divisors, whose sum is σ = 123199996028. Its totient is φ = 123199996026.

The previous prime is 123199996001. The next prime is 123199996097. The reversal of 123199996027 is 720699991321.

It is a weak prime.

It is an emirp because it is prime and its reverse (720699991321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123199996027 - 2⁷ = 123199995899 is a prime.

It is not a weakly prime, because it can be changed into another prime (123199996097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61599998013 + 61599998014.

It is an arithmetic number, because the mean of its divisors is an integer number (61599998014).

Almost surely, 2^123199996027 is an apocalyptic number.

123199996027 is a deficient number, since it is larger than the sum of its proper divisors (1).

123199996027 is an equidigital number, since it uses as much as digits as its factorization.

123199996027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The spelling of 123199996027 in words is "one hundred twenty-three billion, one hundred ninety-nine million, nine hundred ninety-six thousand, twenty-seven".