404423204351 has 2 divisors, whose sum is σ = 404423204352. Its totient is φ = 404423204350.

The previous prime is 404423204347. The next prime is 404423204359. The reversal of 404423204351 is 153402324404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404423204351 - 2² = 404423204347 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404423204359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202211602175 + 202211602176.

It is an arithmetic number, because the mean of its divisors is an integer number (202211602176).

Almost surely, 2^404423204351 is an apocalyptic number.

404423204351 is a deficient number, since it is larger than the sum of its proper divisors (1).

404423204351 is an equidigital number, since it uses as much as digits as its factorization.

404423204351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 404423204351 its reverse (153402324404), we get a palindrome (557825528755).

The spelling of 404423204351 in words is "four hundred four billion, four hundred twenty-three million, two hundred four thousand, three hundred fifty-one".