23120220333 has 128 divisors (see below), whose sum is σ = 39388446720. Its totient is φ = 11772794880.

The previous prime is 23120220323. The next prime is 23120220353. The reversal of 23120220333 is 33302202132.

It is not a de Polignac number, because 23120220333 - 2⁵ = 23120220301 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120220323) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 72934291 + ... + 72934607.

It is an arithmetic number, because the mean of its divisors is an integer number (307722240).

Almost surely, 2^23120220333 is an apocalyptic number.

23120220333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23120220333 is a deficient number, since it is larger than the sum of its proper divisors (16268226387).

23120220333 is a wasteful number, since it uses less digits than its factorization.

23120220333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

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

Adding to 23120220333 its reverse (33302202132), we get a palindrome (56422422465).

The spelling of 23120220333 in words is "twenty-three billion, one hundred twenty million, two hundred twenty thousand, three hundred thirty-three".