203234523 has 24 divisors (see below), whose sum is σ = 284362800. Its totient is φ = 128956800.

The previous prime is 203234513. The next prime is 203234539. The reversal of 203234523 is 325432302.

It is a de Polignac number, because none of the positive numbers 2^k-203234523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203234493 and 203234502.

It is not an unprimeable number, because it can be changed into a prime (203234513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 887373 + ... + 887601.

It is an arithmetic number, because the mean of its divisors is an integer number (11848450).

Almost surely, 2^203234523 is an apocalyptic number.

203234523 is a deficient number, since it is larger than the sum of its proper divisors (81128277).

203234523 is a wasteful number, since it uses less digits than its factorization.

203234523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 203234523 is about 14256.0346169613. The cubic root of 203234523 is about 587.9393043231.

Adding to 203234523 its reverse (325432302), we get a palindrome (528666825).

The spelling of 203234523 in words is "two hundred three million, two hundred thirty-four thousand, five hundred twenty-three".