1233013031233 has 4 divisors (see below), whose sum is σ = 1241883628720. Its totient is φ = 1224142433748.

The previous prime is 1233013031189. The next prime is 1233013031269. The reversal of 1233013031233 is 3321303103321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233013031233 is a prime.

It is a super-2 number, since 2×1233013031233² (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 = 1233013031198 and 1233013031207.

It is not an unprimeable number, because it can be changed into a prime (1233013031293) 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, 4435298535 + ... + 4435298812.

It is an arithmetic number, because the mean of its divisors is an integer number (310470907180).

Almost surely, 2^{1233013031233} is an apocalyptic number.

It is an amenable number.

1233013031233 is a deficient number, since it is larger than the sum of its proper divisors (8870597487).

1233013031233 is an equidigital number, since it uses as much as digits as its factorization.

1233013031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870597486.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1233013031233 its reverse (3321303103321), we get a palindrome (4554316134554).

The spelling of 1233013031233 in words is "one trillion, two hundred thirty-three billion, thirteen million, thirty-one thousand, two hundred thirty-three".