1123421333103 has 12 divisors (see below), whose sum is σ = 1623444484480. Its totient is φ = 748613041056.

The previous prime is 1123421332939. The next prime is 1123421333113. The reversal of 1123421333103 is 3013331243211.

1123421333103 is a `hidden beast` number, since 1 + 1 + 2 + 342 + 1 + 3 + 3 + 310 + 3 = 666.

It is not a de Polignac number, because 1123421333103 - 2²¹ = 1123419235951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123421333113) 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 11 ways as a sum of consecutive naturals, for example, 27854926 + ... + 27895227.

Almost surely, 2^{1123421333103} is an apocalyptic number.

1123421333103 is a deficient number, since it is larger than the sum of its proper divisors (500023151377).

1123421333103 is a wasteful number, since it uses less digits than its factorization.

1123421333103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55752398 (or 55752395 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 1123421333103 its reverse (3013331243211), we get a palindrome (4136752576314).

The spelling of 1123421333103 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-one million, three hundred thirty-three thousand, one hundred three".