863223113 has 2 divisors, whose sum is σ = 863223114. Its totient is φ = 863223112.

The previous prime is 863223091. The next prime is 863223131. The reversal of 863223113 is 311322368.

Together with next prime (863223131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526610704 + 336612409 = 22948^2 + 18347^2 .

It is a cyclic number.

It is not a de Polignac number, because 863223113 - 2¹⁶ = 863157577 is a prime.

It is not a weakly prime, because it can be changed into another prime (863223313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431611556 + 431611557.

It is an arithmetic number, because the mean of its divisors is an integer number (431611557).

Almost surely, 2^863223113 is an apocalyptic number.

It is an amenable number.

863223113 is a deficient number, since it is larger than the sum of its proper divisors (1).

863223113 is an equidigital number, since it uses as much as digits as its factorization.

863223113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 863223113 is about 29380.6588251523. The cubic root of 863223113 is about 952.1550753809.

The spelling of 863223113 in words is "eight hundred sixty-three million, two hundred twenty-three thousand, one hundred thirteen".