23013443111 has 2 divisors, whose sum is σ = 23013443112. Its totient is φ = 23013443110.

The previous prime is 23013443107. The next prime is 23013443119. The reversal of 23013443111 is 11134431032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23013443111 - 2² = 23013443107 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23013443119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506721555 + 11506721556.

It is an arithmetic number, because the mean of its divisors is an integer number (11506721556).

Almost surely, 2^23013443111 is an apocalyptic number.

23013443111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013443111 is an equidigital number, since it uses as much as digits as its factorization.

23013443111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23013443111 its reverse (11134431032), we get a palindrome (34147874143).

The spelling of 23013443111 in words is "twenty-three billion, thirteen million, four hundred forty-three thousand, one hundred eleven".