23031224443 has 4 divisors (see below), whose sum is σ = 23034216640. Its totient is φ = 23028232248.

The previous prime is 23031224431. The next prime is 23031224449. The reversal of 23031224443 is 34442213032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23031224443 - 2²¹ = 23029127291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031224449) 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, 1484523 + ... + 1499956.

It is an arithmetic number, because the mean of its divisors is an integer number (5758554160).

Almost surely, 2^23031224443 is an apocalyptic number.

23031224443 is a deficient number, since it is larger than the sum of its proper divisors (2992197).

23031224443 is an equidigital number, since it uses as much as digits as its factorization.

23031224443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992196.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23031224443 its reverse (34442213032), we get a palindrome (57473437475).

The spelling of 23031224443 in words is "twenty-three billion, thirty-one million, two hundred twenty-four thousand, four hundred forty-three".