104204020423 has 2 divisors, whose sum is σ = 104204020424. Its totient is φ = 104204020422.

The previous prime is 104204020381. The next prime is 104204020433. The reversal of 104204020423 is 324020402401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104204020423 - 2²¹ = 104201923271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104204020394 and 104204020403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104204020433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52102010211 + 52102010212.

It is an arithmetic number, because the mean of its divisors is an integer number (52102010212).

Almost surely, 2^104204020423 is an apocalyptic number.

104204020423 is a deficient number, since it is larger than the sum of its proper divisors (1).

104204020423 is an equidigital number, since it uses as much as digits as its factorization.

104204020423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 104204020423 its reverse (324020402401), we get a palindrome (428224422824).

The spelling of 104204020423 in words is "one hundred four billion, two hundred four million, twenty thousand, four hundred twenty-three".