33121132323 has 4 divisors (see below), whose sum is σ = 44161509768. Its totient is φ = 22080754880.

The previous prime is 33121132307. The next prime is 33121132333. The reversal of 33121132323 is 32323112133.

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

It is a cyclic number.

It is not a de Polignac number, because 33121132323 - 2⁴ = 33121132307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33121132293 and 33121132302.

It is not an unprimeable number, because it can be changed into a prime (33121132333) 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, 5520188718 + ... + 5520188723.

It is an arithmetic number, because the mean of its divisors is an integer number (11040377442).

Almost surely, 2^33121132323 is an apocalyptic number.

33121132323 is a deficient number, since it is larger than the sum of its proper divisors (11040377445).

33121132323 is a wasteful number, since it uses less digits than its factorization.

33121132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040377444.

The product of its digits is 1944, while the sum is 24.

Adding to 33121132323 its reverse (32323112133), we get a palindrome (65444244456).

The spelling of 33121132323 in words is "thirty-three billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred twenty-three".