23033124221 has 4 divisors (see below), whose sum is σ = 23116276572. Its totient is φ = 22949971872.

The previous prime is 23033124187. The next prime is 23033124229. The reversal of 23033124221 is 12242133032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11022060196 + 12011064025 = 104986^2 + 109595^2 .

It is a cyclic number.

It is not a de Polignac number, because 23033124221 - 2⁶ = 23033124157 is a prime.

It is a super-2 number, since 2×23033124221² (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 (23033124229) 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, 41575760 + ... + 41576313.

It is an arithmetic number, because the mean of its divisors is an integer number (5779069143).

Almost surely, 2^23033124221 is an apocalyptic number.

It is an amenable number.

23033124221 is a deficient number, since it is larger than the sum of its proper divisors (83152351).

23033124221 is an equidigital number, since it uses as much as digits as its factorization.

23033124221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83152350.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23033124221 its reverse (12242133032), we get a palindrome (35275257253).

The spelling of 23033124221 in words is "twenty-three billion, thirty-three million, one hundred twenty-four thousand, two hundred twenty-one".