223403430 has 32 divisors (see below), whose sum is σ = 538096608. Its totient is φ = 59360000.

The previous prime is 223403423. The next prime is 223403431. The reversal of 223403430 is 34304322.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223403397 and 223403406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223403431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4821 + ... + 21680.

It is an arithmetic number, because the mean of its divisors is an integer number (16815519).

Almost surely, 2^223403430 is an apocalyptic number.

223403430 is an abundant number, since it is smaller than the sum of its proper divisors (314693178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223403430 is a wasteful number, since it uses less digits than its factorization.

223403430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26792.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223403430 is about 14946.6862548192. The cubic root of 223403430 is about 606.7781668558.

Adding to 223403430 its reverse (34304322), we get a palindrome (257707752).

The spelling of 223403430 in words is "two hundred twenty-three million, four hundred three thousand, four hundred thirty".