42430124323 has 4 divisors (see below), whose sum is σ = 42574937328. Its totient is φ = 42285311320.

The previous prime is 42430124281. The next prime is 42430124357. The reversal of 42430124323 is 32342103424.

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-42430124323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42430124291 and 42430124300.

It is not an unprimeable number, because it can be changed into a prime (42430124383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72406063 + ... + 72406648.

It is an arithmetic number, because the mean of its divisors is an integer number (10643734332).

Almost surely, 2^42430124323 is an apocalyptic number.

42430124323 is a deficient number, since it is larger than the sum of its proper divisors (144813005).

42430124323 is a wasteful number, since it uses less digits than its factorization.

42430124323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144813004.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42430124323 its reverse (32342103424), we get a palindrome (74772227747).

It can be divided in two parts, 42430 and 124323, that added together give a triangular number (166753 = T₅₇₇).

The spelling of 42430124323 in words is "forty-two billion, four hundred thirty million, one hundred twenty-four thousand, three hundred twenty-three".