203234430223 has 8 divisors (see below), whose sum is σ = 225893501136. Its totient is φ = 181272561600.

The previous prime is 203234430199. The next prime is 203234430227. The reversal of 203234430223 is 322034432302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203234430223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203234430191 and 203234430200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203234430227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174299958 + ... + 174301123.

It is an arithmetic number, because the mean of its divisors is an integer number (28236687642).

Almost surely, 2^203234430223 is an apocalyptic number.

203234430223 is a deficient number, since it is larger than the sum of its proper divisors (22659070913).

203234430223 is a wasteful number, since it uses less digits than its factorization.

203234430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348601145.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 203234430223 its reverse (322034432302), we get a palindrome (525268862525).

The spelling of 203234430223 in words is "two hundred three billion, two hundred thirty-four million, four hundred thirty thousand, two hundred twenty-three".