104731523 has 4 divisors (see below), whose sum is σ = 112787808. Its totient is φ = 96675240.

The previous prime is 104731483. The next prime is 104731537. The reversal of 104731523 is 325137401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325137401 = 73 ⋅4453937.

It is a cyclic number.

It is not a de Polignac number, because 104731523 - 2²⁰ = 103682947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104731492 and 104731501.

It is not an unprimeable number, because it can be changed into a prime (104731573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028123 + ... + 4028148.

It is an arithmetic number, because the mean of its divisors is an integer number (28196952).

Almost surely, 2^104731523 is an apocalyptic number.

104731523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104731523 is a deficient number, since it is larger than the sum of its proper divisors (8056285).

104731523 is an equidigital number, since it uses as much as digits as its factorization.

104731523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056284.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 104731523 is about 10233.8420449018. The cubic root of 104731523 is about 471.3669620350.

Adding to 104731523 its reverse (325137401), we get a palindrome (429868924).

The spelling of 104731523 in words is "one hundred four million, seven hundred thirty-one thousand, five hundred twenty-three".