11203112323 has 16 divisors (see below), whose sum is σ = 12187929600. Its totient is φ = 10236067200.

The previous prime is 11203112321. The next prime is 11203112339. The reversal of 11203112323 is 32321130211.

It is a cyclic number.

It is not a de Polignac number, because 11203112323 - 2¹ = 11203112321 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 11203112323.

It is not an unprimeable number, because it can be changed into a prime (11203112321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627533 + ... + 1634401.

It is an arithmetic number, because the mean of its divisors is an integer number (761745600).

Almost surely, 2^11203112323 is an apocalyptic number.

11203112323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11203112323 is a deficient number, since it is larger than the sum of its proper divisors (984817277).

11203112323 is a wasteful number, since it uses less digits than its factorization.

11203112323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11203112323 its reverse (32321130211), we get a palindrome (43524242534).

The spelling of 11203112323 in words is "eleven billion, two hundred three million, one hundred twelve thousand, three hundred twenty-three".