1423543446163 has 4 divisors (see below), whose sum is σ = 1453831604640. Its totient is φ = 1393255287688.

The previous prime is 1423543446133. The next prime is 1423543446173. The reversal of 1423543446163 is 3616443453241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423543446163 is a prime.

It is a super-2 number, since 2×1423543446163² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423543446133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15144079168 + ... + 15144079261.

It is an arithmetic number, because the mean of its divisors is an integer number (363457901160).

Almost surely, 2^{1423543446163} is an apocalyptic number.

1423543446163 is a deficient number, since it is larger than the sum of its proper divisors (30288158477).

1423543446163 is an equidigital number, since it uses as much as digits as its factorization.

1423543446163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30288158476.

The product of its digits is 2488320, while the sum is 46.

The spelling of 1423543446163 in words is "one trillion, four hundred twenty-three billion, five hundred forty-three million, four hundred forty-six thousand, one hundred sixty-three".