23171704711 has 4 divisors (see below), whose sum is σ = 23174715112. Its totient is φ = 23168694312.

The previous prime is 23171704691. The next prime is 23171704727. The reversal of 23171704711 is 11740717132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23171704711 - 2²³ = 23163316103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23171704111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493625 + ... + 1509058.

It is an arithmetic number, because the mean of its divisors is an integer number (5793678778).

Almost surely, 2^23171704711 is an apocalyptic number.

23171704711 is a deficient number, since it is larger than the sum of its proper divisors (3010401).

23171704711 is an equidigital number, since it uses as much as digits as its factorization.

23171704711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010400.

The product of its (nonzero) digits is 8232, while the sum is 34.

The spelling of 23171704711 in words is "twenty-three billion, one hundred seventy-one million, seven hundred four thousand, seven hundred eleven".