223513434 has 12 divisors (see below), whose sum is σ = 484279146. Its totient is φ = 74504472.

The previous prime is 223513393. The next prime is 223513453. The reversal of 223513434 is 434315322.

223513434 is a `hidden beast` number, since 223 + 5 + 1 + 3 + 434 = 666.

223513434 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 220433409 + 3080025 = 14847^2 + 1755^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223513398 and 223513407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6208689 + ... + 6208724.

Almost surely, 2^223513434 is an apocalyptic number.

223513434 is an abundant number, since it is smaller than the sum of its proper divisors (260765712).

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

223513434 is a wasteful number, since it uses less digits than its factorization.

223513434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12417421 (or 12417418 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 223513434 is about 14950.3656811464. The cubic root of 223513434 is about 606.8777431737.

Adding to 223513434 its reverse (434315322), we get a palindrome (657828756).

The spelling of 223513434 in words is "two hundred twenty-three million, five hundred thirteen thousand, four hundred thirty-four".