1423142043187 has 2 divisors, whose sum is σ = 1423142043188. Its totient is φ = 1423142043186.

The previous prime is 1423142043163. The next prime is 1423142043209. The reversal of 1423142043187 is 7813402413241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7813402413241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423142043187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423142043487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711571021593 + 711571021594.

It is an arithmetic number, because the mean of its divisors is an integer number (711571021594).

Almost surely, 2^{1423142043187} is an apocalyptic number.

1423142043187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423142043187 is an equidigital number, since it uses as much as digits as its factorization.

1423142043187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 1423142043187 in words is "one trillion, four hundred twenty-three billion, one hundred forty-two million, forty-three thousand, one hundred eighty-seven".