1123323125 has 40 divisors (see below), whose sum is σ = 1464281280. Its totient is φ = 860720000.

The previous prime is 1123323119. The next prime is 1123323133. The reversal of 1123323125 is 5213233211.

It is not a de Polignac number, because 1123323125 - 2⁴ = 1123323109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123323125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1511504 + ... + 1512246.

It is an arithmetic number, because the mean of its divisors is an integer number (36607032).

Almost surely, 2^1123323125 is an apocalyptic number.

It is an amenable number.

1123323125 is a deficient number, since it is larger than the sum of its proper divisors (340958155).

1123323125 is an frugal number, since it uses more digits than its factorization.

1123323125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 848 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 1123323125 is about 33516.0129639550. The cubic root of 1123323125 is about 1039.5249078168.

Adding to 1123323125 its reverse (5213233211), we get a palindrome (6336556336).

The spelling of 1123323125 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty-five".