23206534447487 has 2 divisors, whose sum is σ = 23206534447488. Its totient is φ = 23206534447486.

The previous prime is 23206534447469. The next prime is 23206534447571. The reversal of 23206534447487 is 78474443560232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23206534447487 - 2¹⁰ = 23206534446463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23206534447427) 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, 11603267223743 + 11603267223744.

It is an arithmetic number, because the mean of its divisors is an integer number (11603267223744).

Almost surely, 2^{23206534447487} is an apocalyptic number.

23206534447487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23206534447487 is an equidigital number, since it uses as much as digits as its factorization.

23206534447487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108380160, while the sum is 59.

The spelling of 23206534447487 in words is "twenty-three trillion, two hundred six billion, five hundred thirty-four million, four hundred forty-seven thousand, four hundred eighty-seven".