223243031393 has 2 divisors, whose sum is σ = 223243031394. Its totient is φ = 223243031392.

The previous prime is 223243031377. The next prime is 223243031419. The reversal of 223243031393 is 393130342322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163562007184 + 59681024209 = 404428^2 + 244297^2 .

It is a cyclic number.

It is not a de Polignac number, because 223243031393 - 2⁴ = 223243031377 is a prime.

It is a super-3 number, since 3×223243031393³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223243031353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111621515696 + 111621515697.

It is an arithmetic number, because the mean of its divisors is an integer number (111621515697).

Almost surely, 2^223243031393 is an apocalyptic number.

It is an amenable number.

223243031393 is a deficient number, since it is larger than the sum of its proper divisors (1).

223243031393 is an equidigital number, since it uses as much as digits as its factorization.

223243031393 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 35.

The spelling of 223243031393 in words is "two hundred twenty-three billion, two hundred forty-three million, thirty-one thousand, three hundred ninety-three".