404033420423 has 2 divisors, whose sum is σ = 404033420424. Its totient is φ = 404033420422.

The previous prime is 404033420407. The next prime is 404033420431. The reversal of 404033420423 is 324024330404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404033420423 - 2⁴ = 404033420407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404033020423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202016710211 + 202016710212.

It is an arithmetic number, because the mean of its divisors is an integer number (202016710212).

Almost surely, 2^404033420423 is an apocalyptic number.

404033420423 is a deficient number, since it is larger than the sum of its proper divisors (1).

404033420423 is an equidigital number, since it uses as much as digits as its factorization.

404033420423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 404033420423 its reverse (324024330404), we get a palindrome (728057750827).

The spelling of 404033420423 in words is "four hundred four billion, thirty-three million, four hundred twenty thousand, four hundred twenty-three".