23871604891207 has 2 divisors, whose sum is σ = 23871604891208. Its totient is φ = 23871604891206.

The previous prime is 23871604891187. The next prime is 23871604891223. The reversal of 23871604891207 is 70219840617832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23871604891207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23871604841207) 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, 11935802445603 + 11935802445604.

It is an arithmetic number, because the mean of its divisors is an integer number (11935802445604).

Almost surely, 2^{23871604891207} is an apocalyptic number.

23871604891207 is a deficient number, since it is larger than the sum of its proper divisors (1).

23871604891207 is an equidigital number, since it uses as much as digits as its factorization.

23871604891207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 23871604891207 in words is "twenty-three trillion, eight hundred seventy-one billion, six hundred four million, eight hundred ninety-one thousand, two hundred seven".