108564461423 has 4 divisors (see below), whose sum is σ = 118433957928. Its totient is φ = 98694964920.

The previous prime is 108564461417. The next prime is 108564461441. The reversal of 108564461423 is 324164465801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108564461423 - 2⁴ = 108564461407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108564461023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4934748236 + ... + 4934748257.

It is an arithmetic number, because the mean of its divisors is an integer number (29608489482).

Almost surely, 2^108564461423 is an apocalyptic number.

108564461423 is a deficient number, since it is larger than the sum of its proper divisors (9869496505).

108564461423 is an equidigital number, since it uses as much as digits as its factorization.

108564461423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869496504.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 108564461423 in words is "one hundred eight billion, five hundred sixty-four million, four hundred sixty-one thousand, four hundred twenty-three".