1423905896687 has 2 divisors, whose sum is σ = 1423905896688. Its totient is φ = 1423905896686.

The previous prime is 1423905896641. The next prime is 1423905896731. The reversal of 1423905896687 is 7866985093241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423905896687 - 2³⁴ = 1406726027503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423905892687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711952948343 + 711952948344.

It is an arithmetic number, because the mean of its divisors is an integer number (711952948344).

It is a 1-persistent number, because it is pandigital, but 2⋅1423905896687 = 2847811793374 is not.

Almost surely, 2^{1423905896687} is an apocalyptic number.

1423905896687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423905896687 is an equidigital number, since it uses as much as digits as its factorization.

1423905896687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 1423905896687 in words is "one trillion, four hundred twenty-three billion, nine hundred five million, eight hundred ninety-six thousand, six hundred eighty-seven".