23031142111 has 2 divisors, whose sum is σ = 23031142112. Its totient is φ = 23031142110.

The previous prime is 23031142109. The next prime is 23031142129. The reversal of 23031142111 is 11124113032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23031142111 - 2¹ = 23031142109 is a prime.

Together with 23031142109, 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 (23031142171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515571055 + 11515571056.

It is an arithmetic number, because the mean of its divisors is an integer number (11515571056).

Almost surely, 2^23031142111 is an apocalyptic number.

23031142111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031142111 is an equidigital number, since it uses as much as digits as its factorization.

23031142111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 23031142111 its reverse (11124113032), we get a palindrome (34155255143).

The spelling of 23031142111 in words is "twenty-three billion, thirty-one million, one hundred forty-two thousand, one hundred eleven".