122001220423 has 2 divisors, whose sum is σ = 122001220424. Its totient is φ = 122001220422.

The previous prime is 122001220421. The next prime is 122001220433. The reversal of 122001220423 is 324022100221.

It is a weak prime.

It is an emirp because it is prime and its reverse (324022100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122001220423 - 2¹ = 122001220421 is a prime.

Together with 122001220421, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122001220423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122001220421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000610211 + 61000610212.

It is an arithmetic number, because the mean of its divisors is an integer number (61000610212).

Almost surely, 2^122001220423 is an apocalyptic number.

122001220423 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001220423 is an equidigital number, since it uses as much as digits as its factorization.

122001220423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122001220423 its reverse (324022100221), we get a palindrome (446023320644).

The spelling of 122001220423 in words is "one hundred twenty-two billion, one million, two hundred twenty thousand, four hundred twenty-three".