104423131 has 4 divisors (see below), whose sum is σ = 104856664. Its totient is φ = 103989600.

The previous prime is 104423117. The next prime is 104423153. The reversal of 104423131 is 131324401.

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

It is a cyclic number.

It is not a de Polignac number, because 104423131 - 2⁷ = 104423003 is a prime.

It is a super-2 number, since 2×104423131² = 21808380575686322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104423099 and 104423108.

It is not an unprimeable number, because it can be changed into a prime (104423101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216405 + ... + 216886.

It is an arithmetic number, because the mean of its divisors is an integer number (26214166).

Almost surely, 2^104423131 is an apocalyptic number.

104423131 is a deficient number, since it is larger than the sum of its proper divisors (433533).

104423131 is an equidigital number, since it uses as much as digits as its factorization.

104423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433532.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 104423131 is about 10218.7636727737. The cubic root of 104423131 is about 470.9038454520.

Adding to 104423131 its reverse (131324401), we get a palindrome (235747532).

The spelling of 104423131 in words is "one hundred four million, four hundred twenty-three thousand, one hundred thirty-one".