1123455330 has 48 divisors (see below), whose sum is σ = 2964596544. Its totient is φ = 295115040.

The previous prime is 1123455323. The next prime is 1123455349. The reversal of 1123455330 is 335543211.

1123455330 is a `hidden beast` number, since 1 + 123 + 4 + 5 + 533 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1123455294 and 1123455303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87126 + ... + 99185.

It is an arithmetic number, because the mean of its divisors is an integer number (61762428).

Almost surely, 2^1123455330 is an apocalyptic number.

1123455330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123455330 is an abundant number, since it is smaller than the sum of its proper divisors (1841141214).

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

1123455330 is a wasteful number, since it uses less digits than its factorization.

1123455330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186391 (or 186388 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1123455330 is about 33517.9851721430. The cubic root of 1123455330 is about 1039.5656871189.

Adding to 1123455330 its reverse (335543211), we get a palindrome (1458998541).

It can be divided in two parts, 11234 and 55330, that added together give a square (66564 = 258²).

The spelling of 1123455330 in words is "one billion, one hundred twenty-three million, four hundred fifty-five thousand, three hundred thirty".