23180877871 has 2 divisors, whose sum is σ = 23180877872. Its totient is φ = 23180877870.

The previous prime is 23180877829. The next prime is 23180877883. The reversal of 23180877871 is 17877808132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23180877871 - 2¹⁹ = 23180353583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23180877571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11590438935 + 11590438936.

It is an arithmetic number, because the mean of its divisors is an integer number (11590438936).

Almost surely, 2^23180877871 is an apocalyptic number.

23180877871 is a deficient number, since it is larger than the sum of its proper divisors (1).

23180877871 is an equidigital number, since it uses as much as digits as its factorization.

23180877871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1053696, while the sum is 52.

The spelling of 23180877871 in words is "twenty-three billion, one hundred eighty million, eight hundred seventy-seven thousand, eight hundred seventy-one".