203231123 has 8 divisors (see below), whose sum is σ = 204831408. Its totient is φ = 201636864.

The previous prime is 203231117. The next prime is 203231153. The reversal of 203231123 is 321132302.

203231123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203231123 - 2¹⁶ = 203165587 is a prime.

It is a super-2 number, since 2×203231123² = 82605778711682258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203231113) 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, 84311 + ... + 86687.

It is an arithmetic number, because the mean of its divisors is an integer number (25603926).

Almost surely, 2^203231123 is an apocalyptic number.

203231123 is a deficient number, since it is larger than the sum of its proper divisors (1600285).

203231123 is a wasteful number, since it uses less digits than its factorization.

203231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 203231123 is about 14255.9153687162. The cubic root of 203231123 is about 587.9360256729.

Adding to 203231123 its reverse (321132302), we get a palindrome (524363425).

The spelling of 203231123 in words is "two hundred three million, two hundred thirty-one thousand, one hundred twenty-three".