23431143304111 has 2 divisors, whose sum is σ = 23431143304112. Its totient is φ = 23431143304110.

The previous prime is 23431143304109. The next prime is 23431143304139. The reversal of 23431143304111 is 11140334113432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23431143304111 - 2¹ = 23431143304109 is a prime.

Together with 23431143304109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23431143304181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715571652055 + 11715571652056.

It is an arithmetic number, because the mean of its divisors is an integer number (11715571652056).

Almost surely, 2^{23431143304111} is an apocalyptic number.

23431143304111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431143304111 is an equidigital number, since it uses as much as digits as its factorization.

23431143304111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 23431143304111 its reverse (11140334113432), we get a palindrome (34571477417543).

The spelling of 23431143304111 in words is "twenty-three trillion, four hundred thirty-one billion, one hundred forty-three million, three hundred four thousand, one hundred eleven".