1232100203 has 4 divisors (see below), whose sum is σ = 1232176008. Its totient is φ = 1232024400.

The previous prime is 1232100197. The next prime is 1232100217. The reversal of 1232100203 is 3020012321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232100203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232100283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2498 + ... + 49703.

It is an arithmetic number, because the mean of its divisors is an integer number (308044002).

Almost surely, 2^1232100203 is an apocalyptic number.

1232100203 is a deficient number, since it is larger than the sum of its proper divisors (75805).

1232100203 is an equidigital number, since it uses as much as digits as its factorization.

1232100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75804.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1232100203 is about 35101.2849195012. The cubic root of 1232100203 is about 1072.0507452008.

Adding to 1232100203 its reverse (3020012321), we get a palindrome (4252112524).

The spelling of 1232100203 in words is "one billion, two hundred thirty-two million, one hundred thousand, two hundred three".