1123232133 has 4 divisors (see below), whose sum is σ = 1497642848. Its totient is φ = 748821420.

The previous prime is 1123232129. The next prime is 1123232137. The reversal of 1123232133 is 3312323211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1123232129) and next prime (1123232137).

It is not a de Polignac number, because 1123232133 - 2² = 1123232129 is a prime.

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 (1123232137) 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, 187205353 + ... + 187205358.

It is an arithmetic number, because the mean of its divisors is an integer number (374410712).

Almost surely, 2^1123232133 is an apocalyptic number.

It is an amenable number.

1123232133 is a deficient number, since it is larger than the sum of its proper divisors (374410715).

1123232133 is an equidigital number, since it uses as much as digits as its factorization.

1123232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374410714.

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

The square root of 1123232133 is about 33514.6554957678. The cubic root of 1123232133 is about 1039.4968390144.

Adding to 1123232133 its reverse (3312323211), we get a palindrome (4435555344).

It can be divided in two parts, 11232 and 32133, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 1123232133 in words is "one billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty-three".