1123150443 has 8 divisors (see below), whose sum is σ = 1498266000. Its totient is φ = 748400928.

The previous prime is 1123150417. The next prime is 1123150451. The reversal of 1123150443 is 3440513211.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1123150443 is a prime.

It is a super-2 number, since 2×1123150443² = 2522933835222192498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123150463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84268 + ... + 96681.

It is an arithmetic number, because the mean of its divisors is an integer number (187283250).

Almost surely, 2^1123150443 is an apocalyptic number.

1123150443 is a deficient number, since it is larger than the sum of its proper divisors (375115557).

1123150443 is a wasteful number, since it uses less digits than its factorization.

1123150443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183021.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1123150443 is about 33513.4367530398. The cubic root of 1123150443 is about 1039.4716383597.

Adding to 1123150443 its reverse (3440513211), we get a palindrome (4563663654).

The spelling of 1123150443 in words is "one billion, one hundred twenty-three million, one hundred fifty thousand, four hundred forty-three".