108564023 has 24 divisors (see below), whose sum is σ = 122815440. Its totient is φ = 95513600.

The previous prime is 108564013. The next prime is 108564059. The reversal of 108564023 is 320465801.

It is not a de Polignac number, because 108564023 - 2⁴ = 108564007 is a prime.

It is a super-2 number, since 2×108564023² = 23572294179889058, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108564013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 828668 + ... + 828798.

It is an arithmetic number, because the mean of its divisors is an integer number (5117310).

Almost surely, 2^108564023 is an apocalyptic number.

108564023 is a deficient number, since it is larger than the sum of its proper divisors (14251417).

108564023 is a wasteful number, since it uses less digits than its factorization.

108564023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 108564023 is about 10419.4060771236. The cubic root of 108564023 is about 477.0478865235.

The spelling of 108564023 in words is "one hundred eight million, five hundred sixty-four thousand, twenty-three".