223239356393 has 2 divisors, whose sum is σ = 223239356394. Its totient is φ = 223239356392.

The previous prime is 223239356363. The next prime is 223239356413. The reversal of 223239356393 is 393653932322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219036168169 + 4203188224 = 468013^2 + 64832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223239356393 is a prime.

It is a super-3 number, since 3×223239356393³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223239356363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111619678196 + 111619678197.

It is an arithmetic number, because the mean of its divisors is an integer number (111619678197).

Almost surely, 2^223239356393 is an apocalyptic number.

It is an amenable number.

223239356393 is a deficient number, since it is larger than the sum of its proper divisors (1).

223239356393 is an equidigital number, since it uses as much as digits as its factorization.

223239356393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4723920, while the sum is 50.

The spelling of 223239356393 in words is "two hundred twenty-three billion, two hundred thirty-nine million, three hundred fifty-six thousand, three hundred ninety-three".