23223012543 has 12 divisors (see below), whose sum is σ = 33562537008. Its totient is φ = 15473615040.

The previous prime is 23223012541. The next prime is 23223012551. The reversal of 23223012543 is 34521032232.

It is not a de Polignac number, because 23223012543 - 2¹ = 23223012541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223012541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681898 + ... + 715143.

It is an arithmetic number, because the mean of its divisors is an integer number (2796878084).

Almost surely, 2^23223012543 is an apocalyptic number.

23223012543 is a deficient number, since it is larger than the sum of its proper divisors (10339524465).

23223012543 is a wasteful number, since it uses less digits than its factorization.

23223012543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398894 (or 1398891 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 23223012543 its reverse (34521032232), we get a palindrome (57744044775).

The spelling of 23223012543 in words is "twenty-three billion, two hundred twenty-three million, twelve thousand, five hundred forty-three".