23355422412209 has 2 divisors, whose sum is σ = 23355422412210. Its totient is φ = 23355422412208.

The previous prime is 23355422412071. The next prime is 23355422412229. The reversal of 23355422412209 is 90221422455332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23148338257984 + 207084154225 = 4811272^2 + 455065^2 .

It is a cyclic number.

It is not a de Polignac number, because 23355422412209 - 2¹² = 23355422408113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23355422412209.

It is not a weakly prime, because it can be changed into another prime (23355422412229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11677711206104 + 11677711206105.

It is an arithmetic number, because the mean of its divisors is an integer number (11677711206105).

Almost surely, 2^{23355422412209} is an apocalyptic number.

It is an amenable number.

23355422412209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23355422412209 is an equidigital number, since it uses as much as digits as its factorization.

23355422412209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 23355422412209 in words is "twenty-three trillion, three hundred fifty-five billion, four hundred twenty-two million, four hundred twelve thousand, two hundred nine".