1123298329 has 4 divisors (see below), whose sum is σ = 1123369984. Its totient is φ = 1123226676.

The previous prime is 1123298321. The next prime is 1123298369. The reversal of 1123298329 is 9238923211.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1123298329 - 2³ = 1123298321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123298291 and 1123298300.

It is not an unprimeable number, because it can be changed into a prime (1123298321) 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, 1077 + ... + 47410.

It is an arithmetic number, because the mean of its divisors is an integer number (280842496).

Almost surely, 2^1123298329 is an apocalyptic number.

It is an amenable number.

1123298329 is a deficient number, since it is larger than the sum of its proper divisors (71655).

1123298329 is an equidigital number, since it uses as much as digits as its factorization.

1123298329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71654.

The product of its digits is 46656, while the sum is 40.

The square root of 1123298329 is about 33515.6430491793. The cubic root of 1123298329 is about 1039.5172590086.

It can be divided in two parts, 11232 and 98329, that added together give a square (109561 = 331²).

The spelling of 1123298329 in words is "one billion, one hundred twenty-three million, two hundred ninety-eight thousand, three hundred twenty-nine".