203423230 has 16 divisors (see below), whose sum is σ = 367460784. Its totient is φ = 81080640.

The previous prime is 203423221. The next prime is 203423237. The reversal of 203423230 is 32324302.

It is a junction number, because it is equal to n+sod(n) for n = 203423198 and 203423207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203423237) 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, 33111 + ... + 38770.

It is an arithmetic number, because the mean of its divisors is an integer number (22966299).

Almost surely, 2^203423230 is an apocalyptic number.

203423230 is a deficient number, since it is larger than the sum of its proper divisors (164037554).

203423230 is a wasteful number, since it uses less digits than its factorization.

203423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72171.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 203423230 is about 14262.6515767581. The cubic root of 203423230 is about 588.1212188575.

Adding to 203423230 its reverse (32324302), we get a palindrome (235747532).

The spelling of 203423230 in words is "two hundred three million, four hundred twenty-three thousand, two hundred thirty".