1121323433 has 4 divisors (see below), whose sum is σ = 1128749568. Its totient is φ = 1113897300.

The previous prime is 1121323429. The next prime is 1121323459. The reversal of 1121323433 is 3343231211.

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 a cyclic number.

It is not a de Polignac number, because 1121323433 - 2² = 1121323429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121323399 and 1121323408.

It is not an unprimeable number, because it can be changed into a prime (1121323403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712841 + ... + 3713142.

It is an arithmetic number, because the mean of its divisors is an integer number (282187392).

Almost surely, 2^1121323433 is an apocalyptic number.

It is an amenable number.

1121323433 is a deficient number, since it is larger than the sum of its proper divisors (7426135).

1121323433 is an equidigital number, since it uses as much as digits as its factorization.

1121323433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7426134.

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

The square root of 1121323433 is about 33486.1677861173. The cubic root of 1121323433 is about 1038.9077021035.

Adding to 1121323433 its reverse (3343231211), we get a palindrome (4464554644).

The spelling of 1121323433 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, four hundred thirty-three".