23132034221 has 4 divisors (see below), whose sum is σ = 23132774592. Its totient is φ = 23131293852.

The previous prime is 23132034217. The next prime is 23132034241. The reversal of 23132034221 is 12243023132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23132034221 - 2² = 23132034217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132034241) 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, 321155 + ... + 386528.

It is an arithmetic number, because the mean of its divisors is an integer number (5783193648).

Almost surely, 2^23132034221 is an apocalyptic number.

It is an amenable number.

23132034221 is a deficient number, since it is larger than the sum of its proper divisors (740371).

23132034221 is an equidigital number, since it uses as much as digits as its factorization.

23132034221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740370.

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

Adding to 23132034221 its reverse (12243023132), we get a palindrome (35375057353).

The spelling of 23132034221 in words is "twenty-three billion, one hundred thirty-two million, thirty-four thousand, two hundred twenty-one".