223402433 has 2 divisors, whose sum is σ = 223402434. Its totient is φ = 223402432.

The previous prime is 223402409. The next prime is 223402447. The reversal of 223402433 is 334204322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128300929 + 95101504 = 11327^2 + 9752^2 .

It is a cyclic number.

It is not a de Polignac number, because 223402433 - 2⁸ = 223402177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223402399 and 223402408.

It is not a weakly prime, because it can be changed into another prime (223402463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111701216 + 111701217.

It is an arithmetic number, because the mean of its divisors is an integer number (111701217).

Almost surely, 2^223402433 is an apocalyptic number.

It is an amenable number.

223402433 is a deficient number, since it is larger than the sum of its proper divisors (1).

223402433 is an equidigital number, since it uses as much as digits as its factorization.

223402433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 223402433 is about 14946.6529029077. The cubic root of 223402433 is about 606.7772642157. Note that the first 3 decimals are identical.

Adding to 223402433 its reverse (334204322), we get a palindrome (557606755).

The spelling of 223402433 in words is "two hundred twenty-three million, four hundred two thousand, four hundred thirty-three".