864108581423 has 2 divisors, whose sum is σ = 864108581424. Its totient is φ = 864108581422.

The previous prime is 864108581407. The next prime is 864108581459. The reversal of 864108581423 is 324185801468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864108581423 - 2⁴ = 864108581407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864108571423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432054290711 + 432054290712.

It is an arithmetic number, because the mean of its divisors is an integer number (432054290712).

Almost surely, 2^864108581423 is an apocalyptic number.

864108581423 is a deficient number, since it is larger than the sum of its proper divisors (1).

864108581423 is an equidigital number, since it uses as much as digits as its factorization.

864108581423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 864108581423 in words is "eight hundred sixty-four billion, one hundred eight million, five hundred eighty-one thousand, four hundred twenty-three".