1123120344 has 16 divisors (see below), whose sum is σ = 2807800920. Its totient is φ = 374373440.

The previous prime is 1123120279. The next prime is 1123120357. The reversal of 1123120344 is 4430213211.

It is a super-2 number, since 2×1123120344² = 2522798614213356672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123120344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23398317 + ... + 23398364.

Almost surely, 2^1123120344 is an apocalyptic number.

It is an amenable number.

1123120344 is an abundant number, since it is smaller than the sum of its proper divisors (1684680576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123120344 is a wasteful number, since it uses less digits than its factorization.

1123120344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46796690 (or 46796686 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1123120344 is about 33512.9876913414. The cubic root of 1123120344 is about 1039.4623527718.

Adding to 1123120344 its reverse (4430213211), we get a palindrome (5553333555).

The spelling of 1123120344 in words is "one billion, one hundred twenty-three million, one hundred twenty thousand, three hundred forty-four".