223823221186709 has 2 divisors, whose sum is σ = 223823221186710. Its totient is φ = 223823221186708.

The previous prime is 223823221186651. The next prime is 223823221186753. The reversal of 223823221186709 is 907681122328322.

223823221186709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171657949348900 + 52165271837809 = 13101830^2 + 7222553^2 .

It is a cyclic number.

It is not a de Polignac number, because 223823221186709 - 2¹⁶ = 223823221121173 is a prime.

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 (223823221116709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111911610593354 + 111911610593355.

It is an arithmetic number, because the mean of its divisors is an integer number (111911610593355).

Almost surely, 2^{223823221186709} is an apocalyptic number.

It is an amenable number.

223823221186709 is a deficient number, since it is larger than the sum of its proper divisors (1).

223823221186709 is an equidigital number, since it uses as much as digits as its factorization.

223823221186709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 223823221186709 in words is "two hundred twenty-three trillion, eight hundred twenty-three billion, two hundred twenty-one million, one hundred eighty-six thousand, seven hundred nine".