223003206230509 has 2 divisors, whose sum is σ = 223003206230510. Its totient is φ = 223003206230508.

The previous prime is 223003206230443. The next prime is 223003206230551. The reversal of 223003206230509 is 905032602300322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195458658306409 + 27544547924100 = 13980653^2 + 5248290^2 .

It is a cyclic number.

It is not a de Polignac number, because 223003206230509 - 2¹⁷ = 223003206099437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223003206236509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111501603115254 + 111501603115255.

It is an arithmetic number, because the mean of its divisors is an integer number (111501603115255).

Almost surely, 2^{223003206230509} is an apocalyptic number.

It is an amenable number.

223003206230509 is a deficient number, since it is larger than the sum of its proper divisors (1).

223003206230509 is an equidigital number, since it uses as much as digits as its factorization.

223003206230509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 223003206230509 in words is "two hundred twenty-three trillion, three billion, two hundred six million, two hundred thirty thousand, five hundred nine".