1404405401423 has 2 divisors, whose sum is σ = 1404405401424. Its totient is φ = 1404405401422.

The previous prime is 1404405401353. The next prime is 1404405401447. The reversal of 1404405401423 is 3241045044041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1404405401423 - 2²⁸ = 1404136965967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1404405401423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404405401723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702202700711 + 702202700712.

It is an arithmetic number, because the mean of its divisors is an integer number (702202700712).

Almost surely, 2^{1404405401423} is an apocalyptic number.

1404405401423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404405401423 is an equidigital number, since it uses as much as digits as its factorization.

1404405401423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 1404405401423 in words is "one trillion, four hundred four billion, four hundred five million, four hundred one thousand, four hundred twenty-three".