122423699 has 2 divisors, whose sum is σ = 122423700. Its totient is φ = 122423698.

The previous prime is 122423689. The next prime is 122423723. The reversal of 122423699 is 996324221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122423699 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122423659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61211849 + 61211850.

It is an arithmetic number, because the mean of its divisors is an integer number (61211850).

Almost surely, 2^122423699 is an apocalyptic number.

122423699 is a deficient number, since it is larger than the sum of its proper divisors (1).

122423699 is an equidigital number, since it uses as much as digits as its factorization.

122423699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 122423699 is about 11064.5243458542. The cubic root of 122423699 is about 496.5410586275.

The spelling of 122423699 in words is "one hundred twenty-two million, four hundred twenty-three thousand, six hundred ninety-nine".