122218973423 has 2 divisors, whose sum is σ = 122218973424. Its totient is φ = 122218973422.

The previous prime is 122218973417. The next prime is 122218973491. The reversal of 122218973423 is 324379812221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122218973423 - 2²⁰ = 122217924847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122218973413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61109486711 + 61109486712.

It is an arithmetic number, because the mean of its divisors is an integer number (61109486712).

Almost surely, 2^122218973423 is an apocalyptic number.

122218973423 is a deficient number, since it is larger than the sum of its proper divisors (1).

122218973423 is an equidigital number, since it uses as much as digits as its factorization.

122218973423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The spelling of 122218973423 in words is "one hundred twenty-two billion, two hundred eighteen million, nine hundred seventy-three thousand, four hundred twenty-three".