223424431 has 8 divisors (see below), whose sum is σ = 232035584. Its totient is φ = 214968600.

The previous prime is 223424419. The next prime is 223424437. The reversal of 223424431 is 134424322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223424431 - 2⁷ = 223424303 is a prime.

It is a super-2 number, since 2×223424431² = 99836952735347522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223424396 and 223424405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223424437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35895 + ... + 41656.

It is an arithmetic number, because the mean of its divisors is an integer number (29004448).

Almost surely, 2^223424431 is an apocalyptic number.

223424431 is a deficient number, since it is larger than the sum of its proper divisors (8611153).

223424431 is an equidigital number, since it uses as much as digits as its factorization.

223424431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77661.

The product of its digits is 4608, while the sum is 25.

The square root of 223424431 is about 14947.3887686111. The cubic root of 223424431 is about 606.7971796182.

Adding to 223424431 its reverse (134424322), we get a palindrome (357848753).

The spelling of 223424431 in words is "two hundred twenty-three million, four hundred twenty-four thousand, four hundred thirty-one".