23092987871 has 2 divisors, whose sum is σ = 23092987872. Its totient is φ = 23092987870.

The previous prime is 23092987861. The next prime is 23092987877. The reversal of 23092987871 is 17878929032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23092987871 is a prime.

It is a super-2 number, since 2×23092987871² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23092987877) 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, 11546493935 + 11546493936.

It is an arithmetic number, because the mean of its divisors is an integer number (11546493936).

Almost surely, 2^23092987871 is an apocalyptic number.

23092987871 is a deficient number, since it is larger than the sum of its proper divisors (1).

23092987871 is an equidigital number, since it uses as much as digits as its factorization.

23092987871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 23092987871 in words is "twenty-three billion, ninety-two million, nine hundred eighty-seven thousand, eight hundred seventy-one".