11303023403 has 32 divisors (see below), whose sum is σ = 13611417600. Its totient is φ = 9375095520.

The previous prime is 11303023399. The next prime is 11303023409. The reversal of 11303023403 is 30432030311.

It is not a de Polignac number, because 11303023403 - 2² = 11303023399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303023409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2421650 + ... + 2426312.

It is an arithmetic number, because the mean of its divisors is an integer number (425356800).

Almost surely, 2^11303023403 is an apocalyptic number.

11303023403 is a deficient number, since it is larger than the sum of its proper divisors (2308394197).

11303023403 is an equidigital number, since it uses as much as digits as its factorization.

11303023403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912 (or 4898 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 11303023403 its reverse (30432030311), we get a palindrome (41735053714).

The spelling of 11303023403 in words is "eleven billion, three hundred three million, twenty-three thousand, four hundred three".