33123133213 has 8 divisors (see below), whose sum is σ = 33599857536. Its totient is φ = 32646692400.

The previous prime is 33123133207. The next prime is 33123133231. The reversal of 33123133213 is 31233132133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33123133213 - 2²¹ = 33121036061 is a prime.

It is a super-2 number, since 2×33123133213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33123133913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170328 + ... + 308638.

It is an arithmetic number, because the mean of its divisors is an integer number (4199982192).

Almost surely, 2^33123133213 is an apocalyptic number.

It is an amenable number.

33123133213 is a deficient number, since it is larger than the sum of its proper divisors (476724323).

33123133213 is a wasteful number, since it uses less digits than its factorization.

33123133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141755.

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

Adding to 33123133213 its reverse (31233132133), we get a palindrome (64356265346).

The spelling of 33123133213 in words is "thirty-three billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred thirteen".