11403423103 has 8 divisors (see below), whose sum is σ = 11583129600. Its totient is φ = 11224247160.

The previous prime is 11403423001. The next prime is 11403423107. The reversal of 11403423103 is 30132430411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403423103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403423107) 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, 89203 + ... + 175396.

It is an arithmetic number, because the mean of its divisors is an integer number (1447891200).

Almost surely, 2^11403423103 is an apocalyptic number.

11403423103 is a deficient number, since it is larger than the sum of its proper divisors (179706497).

11403423103 is an equidigital number, since it uses as much as digits as its factorization.

11403423103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265277.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11403423103 its reverse (30132430411), we get a palindrome (41535853514).

It can be divided in two parts, 1140 and 3423103, that added together give a palindrome (3424243).

The spelling of 11403423103 in words is "eleven billion, four hundred three million, four hundred twenty-three thousand, one hundred three".