1403243103 has 4 divisors (see below), whose sum is σ = 1870990808. Its totient is φ = 935495400.

The previous prime is 1403243063. The next prime is 1403243131. The reversal of 1403243103 is 3013423041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013423041 = 3 ⋅1004474347.

It is not a de Polignac number, because 1403243103 - 2⁸ = 1403242847 is a prime.

It is a super-2 number, since 2×1403243103² = 3938182412234137218, which contains 22 as substring.

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 1403243103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403243143) 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, 233873848 + ... + 233873853.

It is an arithmetic number, because the mean of its divisors is an integer number (467747702).

Almost surely, 2^1403243103 is an apocalyptic number.

1403243103 is a deficient number, since it is larger than the sum of its proper divisors (467747705).

1403243103 is an equidigital number, since it uses as much as digits as its factorization.

1403243103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467747704.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1403243103 is about 37459.8865855197. The cubic root of 1403243103 is about 1119.5520910391.

Adding to 1403243103 its reverse (3013423041), we get a palindrome (4416666144).

The spelling of 1403243103 in words is "one billion, four hundred three million, two hundred forty-three thousand, one hundred three".