1232431403 has 8 divisors (see below), whose sum is σ = 1408872672. Its totient is φ = 1056085056.

The previous prime is 1232431367. The next prime is 1232431411. The reversal of 1232431403 is 3041342321.

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 1232431403 - 2⁶ = 1232431339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232434403) 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, 6701 + ... + 50097.

It is an arithmetic number, because the mean of its divisors is an integer number (176109084).

Almost surely, 2^1232431403 is an apocalyptic number.

1232431403 is a deficient number, since it is larger than the sum of its proper divisors (176441269).

1232431403 is an equidigital number, since it uses as much as digits as its factorization.

1232431403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47461.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1232431403 is about 35106.0023785107. The cubic root of 1232431403 is about 1072.1467956670.

Adding to 1232431403 its reverse (3041342321), we get a palindrome (4273773724).

The spelling of 1232431403 in words is "one billion, two hundred thirty-two million, four hundred thirty-one thousand, four hundred three".