23010213209 has 2 divisors, whose sum is σ = 23010213210. Its totient is φ = 23010213208.

The previous prime is 23010213199. The next prime is 23010213211. The reversal of 23010213209 is 90231201032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21023550025 + 1986663184 = 144995^2 + 44572^2 .

It is a cyclic number.

It is not a de Polignac number, because 23010213209 - 2¹² = 23010209113 is a prime.

Together with 23010213211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23010213509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505106604 + 11505106605.

It is an arithmetic number, because the mean of its divisors is an integer number (11505106605).

Almost surely, 2^23010213209 is an apocalyptic number.

It is an amenable number.

23010213209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23010213209 is an equidigital number, since it uses as much as digits as its factorization.

23010213209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 23010213209 in words is "twenty-three billion, ten million, two hundred thirteen thousand, two hundred nine".