1404403421023 has 2 divisors, whose sum is σ = 1404403421024. Its totient is φ = 1404403421022.

The previous prime is 1404403420999. The next prime is 1404403421027. The reversal of 1404403421023 is 3201243044041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404403421023 is a prime.

It is a super-2 number, since 2×1404403421023² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1404403420982 and 1404403421000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404403421027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702201710511 + 702201710512.

It is an arithmetic number, because the mean of its divisors is an integer number (702201710512).

Almost surely, 2^{1404403421023} is an apocalyptic number.

1404403421023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404403421023 is an equidigital number, since it uses as much as digits as its factorization.

1404403421023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1404403421023 its reverse (3201243044041), we get a palindrome (4605646465064).

The spelling of 1404403421023 in words is "one trillion, four hundred four billion, four hundred three million, four hundred twenty-one thousand, twenty-three".