23211111127 has 2 divisors, whose sum is σ = 23211111128. Its totient is φ = 23211111126.

The previous prime is 23211111061. The next prime is 23211111179. The reversal of 23211111127 is 72111111232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211111127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23211111098 and 23211111107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211111197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605555563 + 11605555564.

It is an arithmetic number, because the mean of its divisors is an integer number (11605555564).

Almost surely, 2^23211111127 is an apocalyptic number.

23211111127 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211111127 is an equidigital number, since it uses as much as digits as its factorization.

23211111127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 22.

Adding to 23211111127 its reverse (72111111232), we get a palindrome (95322222359).

The spelling of 23211111127 in words is "twenty-three billion, two hundred eleven million, one hundred eleven thousand, one hundred twenty-seven".