223213253309 has 2 divisors, whose sum is σ = 223213253310. Its totient is φ = 223213253308.

The previous prime is 223213253303. The next prime is 223213253353. The reversal of 223213253309 is 903352312322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223211837209 + 1416100 = 472453^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 223213253309 - 2⁴ = 223213253293 is a prime.

It is a super-3 number, since 3×223213253309³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223213253303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606626654 + 111606626655.

It is an arithmetic number, because the mean of its divisors is an integer number (111606626655).

Almost surely, 2^223213253309 is an apocalyptic number.

It is an amenable number.

223213253309 is a deficient number, since it is larger than the sum of its proper divisors (1).

223213253309 is an equidigital number, since it uses as much as digits as its factorization.

223213253309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 223213253309 in words is "two hundred twenty-three billion, two hundred thirteen million, two hundred fifty-three thousand, three hundred nine".