122423430661 has 32 divisors (see below), whose sum is σ = 150314250240. Its totient is φ = 97482280896.

The previous prime is 122423430643. The next prime is 122423430677. The reversal of 122423430661 is 166034324221.

It is not a de Polignac number, because 122423430661 - 2⁵ = 122423430629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122423430761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480180 + ... + 689506.

It is an arithmetic number, because the mean of its divisors is an integer number (4697320320).

Almost surely, 2^122423430661 is an apocalyptic number.

It is an amenable number.

122423430661 is a deficient number, since it is larger than the sum of its proper divisors (27890819579).

122423430661 is a wasteful number, since it uses less digits than its factorization.

122423430661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209473.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 122423430661 its reverse (166034324221), we get a palindrome (288457754882).

The spelling of 122423430661 in words is "one hundred twenty-two billion, four hundred twenty-three million, four hundred thirty thousand, six hundred sixty-one".