1123272352 has 48 divisors (see below), whose sum is σ = 2294998272. Its totient is φ = 540610560.

The previous prime is 1123272329. The next prime is 1123272377. The reversal of 1123272352 is 2532723211.

It is a super-2 number, since 2×1123272352² = 2523481553535223808, 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 1123272352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188523 + ... + 194389.

It is an arithmetic number, because the mean of its divisors is an integer number (47812464).

Almost surely, 2^1123272352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123272352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147499136).

1123272352 is an abundant number, since it is smaller than the sum of its proper divisors (1171725920).

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

1123272352 is a wasteful number, since it uses less digits than its factorization.

1123272352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101 (or 6093 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 1123272352 is about 33515.2555114831. The cubic root of 1123272352 is about 1039.5092457773.

Adding to 1123272352 its reverse (2532723211), we get a palindrome (3655995563).

The spelling of 1123272352 in words is "one billion, one hundred twenty-three million, two hundred seventy-two thousand, three hundred fifty-two".