2403233231 has 4 divisors (see below), whose sum is σ = 2746552272. Its totient is φ = 2059914192.

The previous prime is 2403233227. The next prime is 2403233249. The reversal of 2403233231 is 1323323042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1323323042 = 2 ⋅661661521.

It is not a de Polignac number, because 2403233231 - 2² = 2403233227 is a prime.

It is a super-2 number, since 2×2403233231² = 11551059925165398722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2403233197 and 2403233206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403230231) 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, 171659510 + ... + 171659523.

It is an arithmetic number, because the mean of its divisors is an integer number (686638068).

Almost surely, 2^2403233231 is an apocalyptic number.

2403233231 is a deficient number, since it is larger than the sum of its proper divisors (343319041).

2403233231 is an equidigital number, since it uses as much as digits as its factorization.

2403233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343319040.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 2403233231 is about 49022.7827749507. The cubic root of 2403233231 is about 1339.4668613127.

Adding to 2403233231 its reverse (1323323042), we get a palindrome (3726556273).

The spelling of 2403233231 in words is "two billion, four hundred three million, two hundred thirty-three thousand, two hundred thirty-one".