223822843 has 2 divisors, whose sum is σ = 223822844. Its totient is φ = 223822842.

The previous prime is 223822771. The next prime is 223822861. The reversal of 223822843 is 348228322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223822843 is a prime.

It is a super-3 number, since 3×223822843³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223822799 and 223822808.

It is not a weakly prime, because it can be changed into another prime (223822873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111911421 + 111911422.

It is an arithmetic number, because the mean of its divisors is an integer number (111911422).

Almost surely, 2^223822843 is an apocalyptic number.

223822843 is a deficient number, since it is larger than the sum of its proper divisors (1).

223822843 is an equidigital number, since it uses as much as digits as its factorization.

223822843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

The square root of 223822843 is about 14960.7099764684. The cubic root of 223822843 is about 607.1576470914.

The spelling of 223822843 in words is "two hundred twenty-three million, eight hundred twenty-two thousand, eight hundred forty-three".