23243432321 has 8 divisors (see below), whose sum is σ = 23372665344. Its totient is φ = 23114529760.

The previous prime is 23243432263. The next prime is 23243432323. The reversal of 23243432321 is 12323434232.

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 23243432321 - 2³⁴ = 6063563137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23243432323) 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, 59120 + ... + 223566.

It is an arithmetic number, because the mean of its divisors is an integer number (2921583168).

Almost surely, 2^23243432321 is an apocalyptic number.

It is an amenable number.

23243432321 is a deficient number, since it is larger than the sum of its proper divisors (129233023).

23243432321 is a wasteful number, since it uses less digits than its factorization.

23243432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165231.

The product of its digits is 20736, while the sum is 29.

Adding to 23243432321 its reverse (12323434232), we get a palindrome (35566866553).

The spelling of 23243432321 in words is "twenty-three billion, two hundred forty-three million, four hundred thirty-two thousand, three hundred twenty-one".