1123230221033 has 4 divisors (see below), whose sum is σ = 1123250690628. Its totient is φ = 1123209751440.

The previous prime is 1123230221011. The next prime is 1123230221039. The reversal of 1123230221033 is 3301220323211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 593134103104 + 530096117929 = 770152^2 + 728077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123230221033 - 2¹⁶ = 1123230155497 is a prime.

It is a super-2 number, since 2×1123230221033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123230221039) 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, 10152266 + ... + 10262307.

It is an arithmetic number, because the mean of its divisors is an integer number (280812672657).

Almost surely, 2^{1123230221033} is an apocalyptic number.

It is an amenable number.

1123230221033 is a deficient number, since it is larger than the sum of its proper divisors (20469595).

1123230221033 is an equidigital number, since it uses as much as digits as its factorization.

1123230221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469594.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1123230221033 its reverse (3301220323211), we get a palindrome (4424450544244).

The spelling of 1123230221033 in words is "one trillion, one hundred twenty-three billion, two hundred thirty million, two hundred twenty-one thousand, thirty-three".