23171298847 has 2 divisors, whose sum is σ = 23171298848. Its totient is φ = 23171298846.

The previous prime is 23171298841. The next prime is 23171298851. The reversal of 23171298847 is 74889217132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23171298847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23171298794 and 23171298803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23171298841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11585649423 + 11585649424.

It is an arithmetic number, because the mean of its divisors is an integer number (11585649424).

Almost surely, 2^23171298847 is an apocalyptic number.

23171298847 is a deficient number, since it is larger than the sum of its proper divisors (1).

23171298847 is an equidigital number, since it uses as much as digits as its factorization.

23171298847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 52.

The spelling of 23171298847 in words is "twenty-three billion, one hundred seventy-one million, two hundred ninety-eight thousand, eight hundred forty-seven".