223240103309 has 2 divisors, whose sum is σ = 223240103310. Its totient is φ = 223240103308.

The previous prime is 223240103293. The next prime is 223240103363. The reversal of 223240103309 is 903301042322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177110514025 + 46129589284 = 420845^2 + 214778^2 .

It is a cyclic number.

It is not a de Polignac number, because 223240103309 - 2⁴ = 223240103293 is a prime.

It is a super-3 number, since 3×223240103309³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223240103509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111620051654 + 111620051655.

It is an arithmetic number, because the mean of its divisors is an integer number (111620051655).

Almost surely, 2^223240103309 is an apocalyptic number.

It is an amenable number.

223240103309 is a deficient number, since it is larger than the sum of its proper divisors (1).

223240103309 is an equidigital number, since it uses as much as digits as its factorization.

223240103309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 223240103309 in words is "two hundred twenty-three billion, two hundred forty million, one hundred three thousand, three hundred nine".