1232320203 has 16 divisors (see below), whose sum is σ = 1831902240. Its totient is φ = 818737632.

The previous prime is 1232320169. The next prime is 1232320253. The reversal of 1232320203 is 3020232321.

It is a happy number.

It is not a de Polignac number, because 1232320203 - 2²⁹ = 695449291 is a prime.

It is a super-2 number, since 2×1232320203² = 3037226165443922418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232320253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69976 + ... + 85797.

It is an arithmetic number, because the mean of its divisors is an integer number (114493890).

Almost surely, 2^1232320203 is an apocalyptic number.

1232320203 is a deficient number, since it is larger than the sum of its proper divisors (599582037).

1232320203 is a wasteful number, since it uses less digits than its factorization.

1232320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156075 (or 156069 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1232320203 is about 35104.4185680378. The cubic root of 1232320203 is about 1072.1145487581.

Adding to 1232320203 its reverse (3020232321), we get a palindrome (4252552524).

The spelling of 1232320203 in words is "one billion, two hundred thirty-two million, three hundred twenty thousand, two hundred three".