23214212443 has 4 divisors (see below), whose sum is σ = 23216821240. Its totient is φ = 23211603648.

The previous prime is 23214212401. The next prime is 23214212459. The reversal of 23214212443 is 34421241232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23214212443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23214212473) 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, 1291005 + ... + 1308862.

It is an arithmetic number, because the mean of its divisors is an integer number (5804205310).

Almost surely, 2^23214212443 is an apocalyptic number.

23214212443 is a deficient number, since it is larger than the sum of its proper divisors (2608797).

23214212443 is an equidigital number, since it uses as much as digits as its factorization.

23214212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608796.

The product of its digits is 9216, while the sum is 28.

Adding to 23214212443 its reverse (34421241232), we get a palindrome (57635453675).

The spelling of 23214212443 in words is "twenty-three billion, two hundred fourteen million, two hundred twelve thousand, four hundred forty-three".