1123389579 has 16 divisors (see below), whose sum is σ = 1619039744. Its totient is φ = 688759200.

The previous prime is 1123389571. The next prime is 1123389581. The reversal of 1123389579 is 9759833211.

It is not a de Polignac number, because 1123389579 - 2³ = 1123389571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123389571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42577 + ... + 63714.

It is an arithmetic number, because the mean of its divisors is an integer number (101189984).

Almost surely, 2^1123389579 is an apocalyptic number.

1123389579 is a deficient number, since it is larger than the sum of its proper divisors (495650165).

1123389579 is a wasteful number, since it uses less digits than its factorization.

1123389579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106578.

The product of its digits is 408240, while the sum is 48.

The square root of 1123389579 is about 33517.0043261626. The cubic root of 1123389579 is about 1039.5454062897.

The spelling of 1123389579 in words is "one billion, one hundred twenty-three million, three hundred eighty-nine thousand, five hundred seventy-nine".