104978723 has 4 divisors (see below), whose sum is σ = 111153960. Its totient is φ = 98803488.

The previous prime is 104978711. The next prime is 104978729. The reversal of 104978723 is 327879401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327879401 = 193 ⋅1698857.

It is a cyclic number.

It is not a de Polignac number, because 104978723 - 2⁴ = 104978707 is a prime.

It is a super-2 number, since 2×104978723² = 22041064565421458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104978729) 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, 3087593 + ... + 3087626.

It is an arithmetic number, because the mean of its divisors is an integer number (27788490).

Almost surely, 2^104978723 is an apocalyptic number.

104978723 is a deficient number, since it is larger than the sum of its proper divisors (6175237).

104978723 is an equidigital number, since it uses as much as digits as its factorization.

104978723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175236.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 104978723 is about 10245.9125020664. The cubic root of 104978723 is about 471.7375297282.

The spelling of 104978723 in words is "one hundred four million, nine hundred seventy-eight thousand, seven hundred twenty-three".