23223312109 has 2 divisors, whose sum is σ = 23223312110. Its totient is φ = 23223312108.

The previous prime is 23223312107. The next prime is 23223312137. The reversal of 23223312109 is 90121332232.

It is an a-pointer prime, because the next prime (23223312137) can be obtained adding 23223312109 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17447768100 + 5775544009 = 132090^2 + 75997^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223312109 - 2¹ = 23223312107 is a prime.

Together with 23223312107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223312107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611656054 + 11611656055.

It is an arithmetic number, because the mean of its divisors is an integer number (11611656055).

Almost surely, 2^23223312109 is an apocalyptic number.

It is an amenable number.

23223312109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223312109 is an equidigital number, since it uses as much as digits as its factorization.

23223312109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 23223312109 in words is "twenty-three billion, two hundred twenty-three million, three hundred twelve thousand, one hundred nine".