23132032221 has 8 divisors (see below), whose sum is σ = 31027397184. Its totient is φ = 15329011040.

The previous prime is 23132032153. The next prime is 23132032247. The reversal of 23132032221 is 12223023132.

It is a happy number.

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 23132032221 - 2⁷ = 23132032093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132032291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23085360 + ... + 23086361.

It is an arithmetic number, because the mean of its divisors is an integer number (3878424648).

Almost surely, 2^23132032221 is an apocalyptic number.

It is an amenable number.

23132032221 is a deficient number, since it is larger than the sum of its proper divisors (7895364963).

23132032221 is a wasteful number, since it uses less digits than its factorization.

23132032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46171891.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23132032221 its reverse (12223023132), we get a palindrome (35355055353).

The spelling of 23132032221 in words is "twenty-three billion, one hundred thirty-two million, thirty-two thousand, two hundred twenty-one".