33120023223 has 32 divisors (see below), whose sum is σ = 53208138240. Its totient is φ = 17901527040.

The previous prime is 33120023197. The next prime is 33120023227. The reversal of 33120023223 is 32232002133.

It is not a de Polignac number, because 33120023223 - 2⁶ = 33120023159 is a prime.

It is a super-3 number, since 3×33120023223³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 33120023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120023227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191011 + ... + 320507.

It is an arithmetic number, because the mean of its divisors is an integer number (1662754320).

Almost surely, 2^33120023223 is an apocalyptic number.

33120023223 is a deficient number, since it is larger than the sum of its proper divisors (20088115017).

33120023223 is a wasteful number, since it uses less digits than its factorization.

33120023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130167.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33120023223 its reverse (32232002133), we get a palindrome (65352025356).

The spelling of 33120023223 in words is "thirty-three billion, one hundred twenty million, twenty-three thousand, two hundred twenty-three".