1423142042443 has 12 divisors (see below), whose sum is σ = 1602433274904. Its totient is φ = 1262210232800.

The previous prime is 1423142042431. The next prime is 1423142042489. The reversal of 1423142042443 is 3442402413241.

It is not a de Polignac number, because 1423142042443 - 2⁹ = 1423142041931 is a prime.

It is a super-2 number, since 2×1423142042443² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423142042399 and 1423142042408.

It is not an unprimeable number, because it can be changed into a prime (1423142048443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143428021 + ... + 143437942.

It is an arithmetic number, because the mean of its divisors is an integer number (133536106242).

Almost surely, 2^{1423142042443} is an apocalyptic number.

1423142042443 is a deficient number, since it is larger than the sum of its proper divisors (179291232461).

1423142042443 is a wasteful number, since it uses less digits than its factorization.

1423142042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286866026 (or 286866015 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1423142042443 its reverse (3442402413241), we get a palindrome (4865544455684).

The spelling of 1423142042443 in words is "one trillion, four hundred twenty-three billion, one hundred forty-two million, forty-two thousand, four hundred forty-three".