104563623 has 4 divisors (see below), whose sum is σ = 139418168. Its totient is φ = 69709080.

The previous prime is 104563609. The next prime is 104563633. The reversal of 104563623 is 326365401.

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

It is not a de Polignac number, because 104563623 - 2⁹ = 104563111 is a prime.

It is a super-2 number, since 2×104563623² = 21867102509772258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104563603) 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, 17427268 + ... + 17427273.

It is an arithmetic number, because the mean of its divisors is an integer number (34854542).

Almost surely, 2^104563623 is an apocalyptic number.

104563623 is a deficient number, since it is larger than the sum of its proper divisors (34854545).

104563623 is an equidigital number, since it uses as much as digits as its factorization.

104563623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34854544.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 104563623 is about 10225.6355792684. The cubic root of 104563623 is about 471.1149371727.

The spelling of 104563623 in words is "one hundred four million, five hundred sixty-three thousand, six hundred twenty-three".