11223023133 has 16 divisors (see below), whose sum is σ = 17163497600. Its totient is φ = 6390000576.

The previous prime is 11223023131. The next prime is 11223023137. The reversal of 11223023133 is 33132032211.

It is not a de Polignac number, because 11223023133 - 2¹ = 11223023131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223023131) 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, 958858 + ... + 970491.

It is an arithmetic number, because the mean of its divisors is an integer number (1072718600).

Almost surely, 2^11223023133 is an apocalyptic number.

It is an amenable number.

11223023133 is a deficient number, since it is larger than the sum of its proper divisors (5940474467).

11223023133 is a wasteful number, since it uses less digits than its factorization.

11223023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929636.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11223023133 its reverse (33132032211), we get a palindrome (44355055344).

The spelling of 11223023133 in words is "eleven billion, two hundred twenty-three million, twenty-three thousand, one hundred thirty-three".