1123421203233 has 48 divisors (see below), whose sum is σ = 1873995701760. Its totient is φ = 635221536768.

The previous prime is 1123421203217. The next prime is 1123421203253. The reversal of 1123421203233 is 3323021243211.

1123421203233 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 421 + 2 + 0 + 3 + 233 = 666.

It is not a de Polignac number, because 1123421203233 - 2⁴ = 1123421203217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123421203197 and 1123421203206.

It is not an unprimeable number, because it can be changed into a prime (1123421203253) 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 47 ways as a sum of consecutive naturals, for example, 42513241 + ... + 42539657.

It is an arithmetic number, because the mean of its divisors is an integer number (39041577120).

Almost surely, 2^{1123421203233} is an apocalyptic number.

It is an amenable number.

1123421203233 is a deficient number, since it is larger than the sum of its proper divisors (750574498527).

1123421203233 is a wasteful number, since it uses less digits than its factorization.

1123421203233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33486 (or 33483 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1123421203233 its reverse (3323021243211), we get a palindrome (4446442446444).

The spelling of 1123421203233 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-one million, two hundred three thousand, two hundred thirty-three".