23234020221 has 8 divisors (see below), whose sum is σ = 30979732864. Its totient is φ = 15488827200.

The previous prime is 23234020181. The next prime is 23234020237. The reversal of 23234020221 is 12202043232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23234020221 - 2¹⁹ = 23233495933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23234020321) 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, 9676 + ... + 215781.

It is an arithmetic number, because the mean of its divisors is an integer number (3872466608).

Almost surely, 2^23234020221 is an apocalyptic number.

It is an amenable number.

23234020221 is a deficient number, since it is larger than the sum of its proper divisors (7745712643).

23234020221 is a wasteful number, since it uses less digits than its factorization.

23234020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259811.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23234020221 its reverse (12202043232), we get a palindrome (35436063453).

The spelling of 23234020221 in words is "twenty-three billion, two hundred thirty-four million, twenty thousand, two hundred twenty-one".