18236207714723 has 2 divisors, whose sum is σ = 18236207714724. Its totient is φ = 18236207714722.

The previous prime is 18236207714617. The next prime is 18236207714737. The reversal of 18236207714723 is 32741770263281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18236207714723 - 2¹² = 18236207710627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (18236207704723) 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, 9118103857361 + 9118103857362.

It is an arithmetic number, because the mean of its divisors is an integer number (9118103857362).

Almost surely, 2^{18236207714723} is an apocalyptic number.

18236207714723 is a deficient number, since it is larger than the sum of its proper divisors (1).

18236207714723 is an equidigital number, since it uses as much as digits as its factorization.

18236207714723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 18236207714723 in words is "eighteen trillion, two hundred thirty-six billion, two hundred seven million, seven hundred fourteen thousand, seven hundred twenty-three".