1133213223 has 4 divisors (see below), whose sum is σ = 1510950968. Its totient is φ = 755475480.

The previous prime is 1133213117. The next prime is 1133213239. The reversal of 1133213223 is 3223123311.

1133213223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1133213223 - 2¹⁴ = 1133196839 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 1133213223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133213293) 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, 188868868 + ... + 188868873.

It is an arithmetic number, because the mean of its divisors is an integer number (377737742).

Almost surely, 2^1133213223 is an apocalyptic number.

1133213223 is a deficient number, since it is larger than the sum of its proper divisors (377737745).

1133213223 is an equidigital number, since it uses as much as digits as its factorization.

1133213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377737744.

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

The square root of 1133213223 is about 33663.2325096685. The cubic root of 1133213223 is about 1042.5667685500.

Adding to 1133213223 its reverse (3223123311), we get a palindrome (4356336534).

The spelling of 1133213223 in words is "one billion, one hundred thirty-three million, two hundred thirteen thousand, two hundred twenty-three".