123133203 has 28 divisors (see below), whose sum is σ = 187445128. Its totient is φ = 80831520.

The previous prime is 123133201. The next prime is 123133207. The reversal of 123133203 is 302331321.

It is not a de Polignac number, because 123133203 - 2¹ = 123133201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123133201) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 47583 + ... + 50103.

Almost surely, 2^123133203 is an apocalyptic number.

123133203 is a deficient number, since it is larger than the sum of its proper divisors (64311925).

123133203 is an frugal number, since it uses more digits than its factorization.

123133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123133203 is about 11096.5401364569. The cubic root of 123133203 is about 497.4984426270.

Adding to 123133203 its reverse (302331321), we get a palindrome (425464524).

The spelling of 123133203 in words is "one hundred twenty-three million, one hundred thirty-three thousand, two hundred three".