1123443433 has 12 divisors (see below), whose sum is σ = 1314889680. Its totient is φ = 957037032.

The previous prime is 1123443421. The next prime is 1123443439. The reversal of 1123443433 is 3343443211.

It is not a de Polignac number, because 1123443433 - 2¹³ = 1123435241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123443439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62343 + ... + 78316.

It is an arithmetic number, because the mean of its divisors is an integer number (109574140).

Almost surely, 2^1123443433 is an apocalyptic number.

It is an amenable number.

1123443433 is a deficient number, since it is larger than the sum of its proper divisors (191446247).

1123443433 is a wasteful number, since it uses less digits than its factorization.

1123443433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140836 (or 140829 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 1123443433 is about 33517.8076997885. The cubic root of 1123443433 is about 1039.5620175600.

Adding to 1123443433 its reverse (3343443211), we get a palindrome (4466886644).

The spelling of 1123443433 in words is "one billion, one hundred twenty-three million, four hundred forty-three thousand, four hundred thirty-three".