1232310403 has 4 divisors (see below), whose sum is σ = 1253197080. Its totient is φ = 1211423728.

The previous prime is 1232310397. The next prime is 1232310439. The reversal of 1232310403 is 3040132321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232310403 - 2⁵ = 1232310371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232310103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10443250 + ... + 10443367.

It is an arithmetic number, because the mean of its divisors is an integer number (313299270).

Almost surely, 2^1232310403 is an apocalyptic number.

1232310403 is a deficient number, since it is larger than the sum of its proper divisors (20886677).

1232310403 is an equidigital number, since it uses as much as digits as its factorization.

1232310403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886676.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232310403 is about 35104.2789841922. The cubic root of 1232310403 is about 1072.1117067612. Note that the first 3 decimals are identical.

Adding to 1232310403 its reverse (3040132321), we get a palindrome (4272442724).

The spelling of 1232310403 in words is "one billion, two hundred thirty-two million, three hundred ten thousand, four hundred three".