404010012403 has 2 divisors, whose sum is σ = 404010012404. Its totient is φ = 404010012402.

The previous prime is 404010012401. The next prime is 404010012449. The reversal of 404010012403 is 304210010404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404010012403 - 2¹ = 404010012401 is a prime.

Together with 404010012401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (404010012401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202005006201 + 202005006202.

It is an arithmetic number, because the mean of its divisors is an integer number (202005006202).

Almost surely, 2^404010012403 is an apocalyptic number.

404010012403 is a deficient number, since it is larger than the sum of its proper divisors (1).

404010012403 is an equidigital number, since it uses as much as digits as its factorization.

404010012403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 404010012403 its reverse (304210010404), we get a palindrome (708220022807).

The spelling of 404010012403 in words is "four hundred four billion, ten million, twelve thousand, four hundred three".