104323021 has 4 divisors (see below), whose sum is σ = 113806944. Its totient is φ = 94839100.

The previous prime is 104323019. The next prime is 104323049. The reversal of 104323021 is 120323401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104323021 - 2¹ = 104323019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104322986 and 104323004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104323061) 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, 4741945 + ... + 4741966.

It is an arithmetic number, because the mean of its divisors is an integer number (28451736).

Almost surely, 2^104323021 is an apocalyptic number.

104323021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104323021 is a deficient number, since it is larger than the sum of its proper divisors (9483923).

104323021 is an equidigital number, since it uses as much as digits as its factorization.

104323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483922.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 104323021 is about 10213.8641561360. The cubic root of 104323021 is about 470.7533128495.

Adding to 104323021 its reverse (120323401), we get a palindrome (224646422).

The spelling of 104323021 in words is "one hundred four million, three hundred twenty-three thousand, twenty-one".