23183568520487 has 2 divisors, whose sum is σ = 23183568520488. Its totient is φ = 23183568520486.

The previous prime is 23183568520447. The next prime is 23183568520501. The reversal of 23183568520487 is 78402586538132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23183568520487 - 2¹² = 23183568516391 is a prime.

It is a super-2 number, since 2×23183568520487² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23183568520447) 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, 11591784260243 + 11591784260244.

It is an arithmetic number, because the mean of its divisors is an integer number (11591784260244).

Almost surely, 2^{23183568520487} is an apocalyptic number.

23183568520487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23183568520487 is an equidigital number, since it uses as much as digits as its factorization.

23183568520487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 23183568520487 in words is "twenty-three trillion, one hundred eighty-three billion, five hundred sixty-eight million, five hundred twenty thousand, four hundred eighty-seven".