23023010209 has 2 divisors, whose sum is σ = 23023010210. Its totient is φ = 23023010208.

The previous prime is 23023010183. The next prime is 23023010243. The reversal of 23023010209 is 90201032032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15393861184 + 7629149025 = 124072^2 + 87345^2 .

It is a cyclic number.

It is not a de Polignac number, because 23023010209 - 2⁵ = 23023010177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23023010209.

It is not a weakly prime, because it can be changed into another prime (23023010009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511505104 + 11511505105.

It is an arithmetic number, because the mean of its divisors is an integer number (11511505105).

Almost surely, 2^23023010209 is an apocalyptic number.

It is an amenable number.

23023010209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23023010209 is an equidigital number, since it uses as much as digits as its factorization.

23023010209 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 22.

The spelling of 23023010209 in words is "twenty-three billion, twenty-three million, ten thousand, two hundred nine".