231023603 has 8 divisors (see below), whose sum is σ = 243397200. Its totient is φ = 218671488.

The previous prime is 231023587. The next prime is 231023621. The reversal of 231023603 is 306320132.

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

It is a cyclic number.

It is not a de Polignac number, because 231023603 - 2⁴ = 231023587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231023623) 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, 19775 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (30424650).

Almost surely, 2^231023603 is an apocalyptic number.

231023603 is a deficient number, since it is larger than the sum of its proper divisors (12373597).

231023603 is a wasteful number, since it uses less digits than its factorization.

231023603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10741.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 231023603 is about 15199.4606154297. The cubic root of 231023603 is about 613.6001412500.

Adding to 231023603 its reverse (306320132), we get a palindrome (537343735).

The spelling of 231023603 in words is "two hundred thirty-one million, twenty-three thousand, six hundred three".