18423811433327 has 2 divisors, whose sum is σ = 18423811433328. Its totient is φ = 18423811433326.

The previous prime is 18423811433303. The next prime is 18423811433429. The reversal of 18423811433327 is 72333411832481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18423811433327 - 2²² = 18423807239023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18423811430327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9211905716663 + 9211905716664.

It is an arithmetic number, because the mean of its divisors is an integer number (9211905716664).

Almost surely, 2^{18423811433327} is an apocalyptic number.

18423811433327 is a deficient number, since it is larger than the sum of its proper divisors (1).

18423811433327 is an equidigital number, since it uses as much as digits as its factorization.

18423811433327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 50.

The spelling of 18423811433327 in words is "eighteen trillion, four hundred twenty-three billion, eight hundred eleven million, four hundred thirty-three thousand, three hundred twenty-seven".