2403140403 has 4 divisors (see below), whose sum is σ = 3204187208. Its totient is φ = 1602093600.

The previous prime is 2403140359. The next prime is 2403140407. The reversal of 2403140403 is 3040413042.

2403140403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2403140403 - 2¹⁰ = 2403139379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2403140403.

It is not an unprimeable number, because it can be changed into a prime (2403140407) 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, 400523398 + ... + 400523403.

It is an arithmetic number, because the mean of its divisors is an integer number (801046802).

Almost surely, 2^2403140403 is an apocalyptic number.

2403140403 is a deficient number, since it is larger than the sum of its proper divisors (801046805).

2403140403 is an equidigital number, since it uses as much as digits as its factorization.

2403140403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801046804.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2403140403 is about 49021.8359815297. The cubic root of 2403140403 is about 1339.4496148758.

Adding to 2403140403 its reverse (3040413042), we get a palindrome (5443553445).

The spelling of 2403140403 in words is "two billion, four hundred three million, one hundred forty thousand, four hundred three".