404320023353 has 2 divisors, whose sum is σ = 404320023354. Its totient is φ = 404320023352.

The previous prime is 404320023329. The next prime is 404320023461. The reversal of 404320023353 is 353320023404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331825537849 + 72494485504 = 576043^2 + 269248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404320023353 is a prime.

It is not a weakly prime, because it can be changed into another prime (404320023953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202160011676 + 202160011677.

It is an arithmetic number, because the mean of its divisors is an integer number (202160011677).

Almost surely, 2^404320023353 is an apocalyptic number.

It is an amenable number.

404320023353 is a deficient number, since it is larger than the sum of its proper divisors (1).

404320023353 is an equidigital number, since it uses as much as digits as its factorization.

404320023353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 404320023353 its reverse (353320023404), we get a palindrome (757640046757).

The spelling of 404320023353 in words is "four hundred four billion, three hundred twenty million, twenty-three thousand, three hundred fifty-three".