104723439 has 16 divisors (see below), whose sum is σ = 146107392. Its totient is φ = 66594528.

The previous prime is 104723429. The next prime is 104723441. The reversal of 104723439 is 934327401.

It is not a de Polignac number, because 104723439 - 2²³ = 96334831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104723429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25482 + ... + 29304.

It is an arithmetic number, because the mean of its divisors is an integer number (9131712).

Almost surely, 2^104723439 is an apocalyptic number.

104723439 is a deficient number, since it is larger than the sum of its proper divisors (41383953).

104723439 is a wasteful number, since it uses less digits than its factorization.

104723439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 104723439 is about 10233.4470732007. The cubic root of 104723439 is about 471.3548337904.

The spelling of 104723439 in words is "one hundred four million, seven hundred twenty-three thousand, four hundred thirty-nine".