23431111110043 has 16 divisors (see below), whose sum is σ = 28838409243840. Its totient is φ = 18538824825216.

The previous prime is 23431111110031. The next prime is 23431111110073. The reversal of 23431111110043 is 34001111113432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23431111110043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23431111110073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34038021 + ... + 34719577.

It is an arithmetic number, because the mean of its divisors is an integer number (1802400577740).

Almost surely, 2^{23431111110043} is an apocalyptic number.

23431111110043 is a deficient number, since it is larger than the sum of its proper divisors (5407298133797).

23431111110043 is a wasteful number, since it uses less digits than its factorization.

23431111110043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059366.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 23431111110043 its reverse (34001111113432), we get a palindrome (57432222223475).

The spelling of 23431111110043 in words is "twenty-three trillion, four hundred thirty-one billion, one hundred eleven million, one hundred ten thousand, forty-three".