11232123203 has 4 divisors (see below), whose sum is σ = 12836712240. Its totient is φ = 9627534168.

The previous prime is 11232123131. The next prime is 11232123223. The reversal of 11232123203 is 30232123211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30232123211 = 31 ⋅975229781.

It is not a de Polignac number, because 11232123203 - 2¹⁶ = 11232057667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11232123223) 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, 802294508 + ... + 802294521.

It is an arithmetic number, because the mean of its divisors is an integer number (3209178060).

Almost surely, 2^11232123203 is an apocalyptic number.

11232123203 is a deficient number, since it is larger than the sum of its proper divisors (1604589037).

11232123203 is an equidigital number, since it uses as much as digits as its factorization.

11232123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604589036.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11232123203 its reverse (30232123211), we get a palindrome (41464246414).

The spelling of 11232123203 in words is "eleven billion, two hundred thirty-two million, one hundred twenty-three thousand, two hundred three".