123796997 has 2 divisors, whose sum is σ = 123796998. Its totient is φ = 123796996.

The previous prime is 123796991. The next prime is 123797021. The reversal of 123796997 is 799697321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123632161 + 164836 = 11119^2 + 406^2 .

It is an emirp because it is prime and its reverse (799697321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123796997 - 2²⁶ = 56688133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123796991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61898498 + 61898499.

It is an arithmetic number, because the mean of its divisors is an integer number (61898499).

Almost surely, 2^123796997 is an apocalyptic number.

It is an amenable number.

123796997 is a deficient number, since it is larger than the sum of its proper divisors (1).

123796997 is an equidigital number, since it uses as much as digits as its factorization.

123796997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 53.

The square root of 123796997 is about 11126.4098881895. The cubic root of 123796997 is about 498.3908226524.

The spelling of 123796997 in words is "one hundred twenty-three million, seven hundred ninety-six thousand, nine hundred ninety-seven".