23132033221 has 8 divisors (see below), whose sum is σ = 25711077024. Its totient is φ = 20632344720.

The previous prime is 23132033201. The next prime is 23132033233. The reversal of 23132033221 is 12233023132.

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 23132033221 - 2¹⁷ = 23131902149 is a prime.

It is a super-4 number, since 4×23132033221⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23132033192 and 23132033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132033201) 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, 19838211 + ... + 19839376.

It is an arithmetic number, because the mean of its divisors is an integer number (3213884628).

Almost surely, 2^23132033221 is an apocalyptic number.

It is an amenable number.

23132033221 is a deficient number, since it is larger than the sum of its proper divisors (2579043803).

23132033221 is a wasteful number, since it uses less digits than its factorization.

23132033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39677651.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23132033221 its reverse (12233023132), we get a palindrome (35365056353).

The spelling of 23132033221 in words is "twenty-three billion, one hundred thirty-two million, thirty-three thousand, two hundred twenty-one".