23132111443 has 12 divisors (see below), whose sum is σ = 26911261800. Its totient is φ = 19825697472.

The previous prime is 23132111389. The next prime is 23132111461. The reversal of 23132111443 is 34411123132.

It is not a de Polignac number, because 23132111443 - 2²¹ = 23130014291 is a prime.

It is a super-2 number, since 2×23132111443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23132111843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010280 + ... + 1032922.

It is an arithmetic number, because the mean of its divisors is an integer number (2242605150).

Almost surely, 2^23132111443 is an apocalyptic number.

23132111443 is a deficient number, since it is larger than the sum of its proper divisors (3779150357).

23132111443 is a wasteful number, since it uses less digits than its factorization.

23132111443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43506 (or 43499 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 23132111443 its reverse (34411123132), we get a palindrome (57543234575).

The spelling of 23132111443 in words is "twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, four hundred forty-three".