1233113120233 has 4 divisors (see below), whose sum is σ = 1275634262340. Its totient is φ = 1190591978128.

The previous prime is 1233113120231. The next prime is 1233113120237. The reversal of 1233113120233 is 3320213113321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 865891664089 + 367221456144 = 930533^2 + 605988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233113120233 - 2¹ = 1233113120231 is a prime.

It is a super-2 number, since 2×1233113120233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233113120198 and 1233113120207.

It is not an unprimeable number, because it can be changed into a prime (1233113120231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21260571010 + ... + 21260571067.

It is an arithmetic number, because the mean of its divisors is an integer number (318908565585).

Almost surely, 2^{1233113120233} is an apocalyptic number.

It is an amenable number.

1233113120233 is a deficient number, since it is larger than the sum of its proper divisors (42521142107).

1233113120233 is an equidigital number, since it uses as much as digits as its factorization.

1233113120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42521142106.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1233113120233 its reverse (3320213113321), we get a palindrome (4553326233554).

The spelling of 1233113120233 in words is "one trillion, two hundred thirty-three billion, one hundred thirteen million, one hundred twenty thousand, two hundred thirty-three".