1123566603 has 8 divisors (see below), whose sum is σ = 1498318848. Its totient is φ = 748929384.

The previous prime is 1123566581. The next prime is 1123566641. The reversal of 1123566603 is 3066653211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123566603 - 2¹⁰ = 1123565579 is a prime.

It is a super-2 number, since 2×1123566603² = 2524803822753919218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123566403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2551 + ... + 47472.

It is an arithmetic number, because the mean of its divisors is an integer number (187289856).

Almost surely, 2^1123566603 is an apocalyptic number.

1123566603 is a deficient number, since it is larger than the sum of its proper divisors (374752245).

1123566603 is an equidigital number, since it uses as much as digits as its factorization.

1123566603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57513.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1123566603 is about 33519.6450309367. The cubic root of 1123566603 is about 1039.6000073602.

The spelling of 1123566603 in words is "one billion, one hundred twenty-three million, five hundred sixty-six thousand, six hundred three".