33213034231123 has 4 divisors (see below), whose sum is σ = 34961088664360. Its totient is φ = 31464979797888.

The previous prime is 33213034231109. The next prime is 33213034231129. The reversal of 33213034231123 is 32113243031233.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33213034231123 is a prime.

It is a super-2 number, since 2×33213034231123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33213034231129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874027216590 + ... + 874027216627.

It is an arithmetic number, because the mean of its divisors is an integer number (8740272166090).

Almost surely, 2^{33213034231123} is an apocalyptic number.

33213034231123 is a deficient number, since it is larger than the sum of its proper divisors (1748054433237).

33213034231123 is a wasteful number, since it uses less digits than its factorization.

33213034231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748054433236.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 33213034231123 its reverse (32113243031233), we get a palindrome (65326277262356).

The spelling of 33213034231123 in words is "thirty-three trillion, two hundred thirteen billion, thirty-four million, two hundred thirty-one thousand, one hundred twenty-three".