1123476445 has 32 divisors (see below), whose sum is σ = 1663183872. Its totient is φ = 709454592.

The previous prime is 1123476427. The next prime is 1123476451. The reversal of 1123476445 is 5446743211.

It is not a de Polignac number, because 1123476445 - 2¹³ = 1123468253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207999 + ... + 213331.

It is an arithmetic number, because the mean of its divisors is an integer number (51974496).

Almost surely, 2^1123476445 is an apocalyptic number.

It is an amenable number.

1123476445 is a deficient number, since it is larger than the sum of its proper divisors (539707427).

1123476445 is a wasteful number, since it uses less digits than its factorization.

1123476445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821.

The product of its digits is 80640, while the sum is 37.

The square root of 1123476445 is about 33518.3001508131. The cubic root of 1123476445 is about 1039.5721998514.

The spelling of 1123476445 in words is "one billion, one hundred twenty-three million, four hundred seventy-six thousand, four hundred forty-five".