223434331 has 2 divisors, whose sum is σ = 223434332. Its totient is φ = 223434330.

The previous prime is 223434317. The next prime is 223434353. The reversal of 223434331 is 133434322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223434331 is a prime.

It is a super-2 number, since 2×223434331² = 99845800538835122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223434296 and 223434305.

It is not a weakly prime, because it can be changed into another prime (223434301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111717165 + 111717166.

It is an arithmetic number, because the mean of its divisors is an integer number (111717166).

Almost surely, 2^223434331 is an apocalyptic number.

223434331 is a deficient number, since it is larger than the sum of its proper divisors (1).

223434331 is an equidigital number, since it uses as much as digits as its factorization.

223434331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

The square root of 223434331 is about 14947.7199264637. The cubic root of 223434331 is about 606.8061419377.

Adding to 223434331 its reverse (133434322), we get a palindrome (356868653).

Subtracting from 223434331 its reverse (133434322), we obtain a palindrome (90000009).

The spelling of 223434331 in words is "two hundred twenty-three million, four hundred thirty-four thousand, three hundred thirty-one".