23220322109 has 2 divisors, whose sum is σ = 23220322110. Its totient is φ = 23220322108.

The previous prime is 23220322091. The next prime is 23220322141. The reversal of 23220322109 is 90122302232.

Together with previous prime (23220322091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20326204900 + 2894117209 = 142570^2 + 53797^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220322109 - 2²⁰ = 23219273533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23220322709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610161054 + 11610161055.

It is an arithmetic number, because the mean of its divisors is an integer number (11610161055).

Almost surely, 2^23220322109 is an apocalyptic number.

It is an amenable number.

23220322109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220322109 is an equidigital number, since it uses as much as digits as its factorization.

23220322109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 23220322109 in words is "twenty-three billion, two hundred twenty million, three hundred twenty-two thousand, one hundred nine".