2320040403 has 24 divisors (see below), whose sum is σ = 3489932160. Its totient is φ = 1483534080.

The previous prime is 2320040381. The next prime is 2320040417. The reversal of 2320040403 is 3040400232.

2320040403 is a `hidden beast` number, since 23 + 200 + 40 + 403 = 666.

It is not a de Polignac number, because 2320040403 - 2²⁰ = 2318991827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2320040003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5268 + ... + 68321.

It is an arithmetic number, because the mean of its divisors is an integer number (145413840).

Almost surely, 2^2320040403 is an apocalyptic number.

2320040403 is a deficient number, since it is larger than the sum of its proper divisors (1169891757).

2320040403 is a wasteful number, since it uses less digits than its factorization.

2320040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73739 (or 73736 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2320040403 is about 48166.7977241585. The cubic root of 2320040403 is about 1323.8288743807.

Adding to 2320040403 its reverse (3040400232), we get a palindrome (5360440635).

The spelling of 2320040403 in words is "two billion, three hundred twenty million, forty thousand, four hundred three".