122416823 has 2 divisors, whose sum is σ = 122416824. Its totient is φ = 122416822.

The previous prime is 122416817. The next prime is 122416849. The reversal of 122416823 is 328614221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122416823 - 2¹² = 122412727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122416223) 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, 61208411 + 61208412.

It is an arithmetic number, because the mean of its divisors is an integer number (61208412).

Almost surely, 2^122416823 is an apocalyptic number.

122416823 is a deficient number, since it is larger than the sum of its proper divisors (1).

122416823 is an equidigital number, since it uses as much as digits as its factorization.

122416823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 122416823 is about 11064.2136186898. The cubic root of 122416823 is about 496.5317622786.

The spelling of 122416823 in words is "one hundred twenty-two million, four hundred sixteen thousand, eight hundred twenty-three".