23331020223209 has 2 divisors, whose sum is σ = 23331020223210. Its totient is φ = 23331020223208.

The previous prime is 23331020223047. The next prime is 23331020223271. The reversal of 23331020223209 is 90232202013332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020468141225 + 310552081984 = 4797965^2 + 557272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23331020223209 is a prime.

It is not a weakly prime, because it can be changed into another prime (23331320223209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665510111604 + 11665510111605.

It is an arithmetic number, because the mean of its divisors is an integer number (11665510111605).

Almost surely, 2^{23331020223209} is an apocalyptic number.

It is an amenable number.

23331020223209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331020223209 is an equidigital number, since it uses as much as digits as its factorization.

23331020223209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 23331020223209 in words is "twenty-three trillion, three hundred thirty-one billion, twenty million, two hundred twenty-three thousand, two hundred nine".