1123323099 has 32 divisors (see below), whose sum is σ = 1589643264. Its totient is φ = 704471040.

The previous prime is 1123323083. The next prime is 1123323101. The reversal of 1123323099 is 9903233211.

It is not a de Polignac number, because 1123323099 - 2⁴ = 1123323083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123323049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027197 + ... + 1028289.

It is an arithmetic number, because the mean of its divisors is an integer number (49676352).

Almost surely, 2^1123323099 is an apocalyptic number.

1123323099 is a deficient number, since it is larger than the sum of its proper divisors (466320165).

1123323099 is a wasteful number, since it uses less digits than its factorization.

1123323099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 1123323099 is about 33516.0125760807. The cubic root of 1123323099 is about 1039.5248997967.

The spelling of 1123323099 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, ninety-nine".