223311220969 has 2 divisors, whose sum is σ = 223311220970. Its totient is φ = 223311220968.

The previous prime is 223311220943. The next prime is 223311221041. The reversal of 223311220969 is 969022113322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118723660969 + 104587560000 = 344563^2 + 323400^2 .

It is a cyclic number.

It is not a de Polignac number, because 223311220969 - 2²⁵ = 223277666537 is a prime.

It is a super-2 number, since 2×223311220969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223311229969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111655610484 + 111655610485.

It is an arithmetic number, because the mean of its divisors is an integer number (111655610485).

Almost surely, 2^223311220969 is an apocalyptic number.

It is an amenable number.

223311220969 is a deficient number, since it is larger than the sum of its proper divisors (1).

223311220969 is an equidigital number, since it uses as much as digits as its factorization.

223311220969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 223311220969 in words is "two hundred twenty-three billion, three hundred eleven million, two hundred twenty thousand, nine hundred sixty-nine".