1423041605987 has 2 divisors, whose sum is σ = 1423041605988. Its totient is φ = 1423041605986.

The previous prime is 1423041605983. The next prime is 1423041606023. The reversal of 1423041605987 is 7895061403241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423041605987 - 2² = 1423041605983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423041605983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711520802993 + 711520802994.

It is an arithmetic number, because the mean of its divisors is an integer number (711520802994).

It is a 1-persistent number, because it is pandigital, but 2⋅1423041605987 = 2846083211974 is not.

Almost surely, 2^{1423041605987} is an apocalyptic number.

1423041605987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423041605987 is an equidigital number, since it uses as much as digits as its factorization.

1423041605987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 1423041605987 in words is "one trillion, four hundred twenty-three billion, forty-one million, six hundred five thousand, nine hundred eighty-seven".