424432142143 has 4 divisors (see below), whose sum is σ = 446770675960. Its totient is φ = 402093608328.

The previous prime is 424432142129. The next prime is 424432142179. The reversal of 424432142143 is 341241234424.

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-424432142143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424432142099 and 424432142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424432145143) 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, 11169266880 + ... + 11169266917.

It is an arithmetic number, because the mean of its divisors is an integer number (111692668990).

Almost surely, 2^424432142143 is an apocalyptic number.

424432142143 is a deficient number, since it is larger than the sum of its proper divisors (22338533817).

424432142143 is a wasteful number, since it uses less digits than its factorization.

424432142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22338533816.

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

Adding to 424432142143 its reverse (341241234424), we get a palindrome (765673376567).

The spelling of 424432142143 in words is "four hundred twenty-four billion, four hundred thirty-two million, one hundred forty-two thousand, one hundred forty-three".