223131430 has 16 divisors (see below), whose sum is σ = 411433344. Its totient is φ = 87075520.

The previous prime is 223131413. The next prime is 223131457. The reversal of 223131430 is 34131322.

223131430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223131430³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223131398 and 223131407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271702 + ... + 272521.

It is an arithmetic number, because the mean of its divisors is an integer number (25714584).

Almost surely, 2^223131430 is an apocalyptic number.

223131430 is a deficient number, since it is larger than the sum of its proper divisors (188301914).

223131430 is a wasteful number, since it uses less digits than its factorization.

223131430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544271.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 223131430 is about 14937.5844767486. The cubic root of 223131430 is about 606.5318103153.

Adding to 223131430 its reverse (34131322), we get a palindrome (257262752).

The spelling of 223131430 in words is "two hundred twenty-three million, one hundred thirty-one thousand, four hundred thirty".