42343313123 has 4 divisors (see below), whose sum is σ = 42391596000. Its totient is φ = 42295030248.

The previous prime is 42343313093. The next prime is 42343313171. The reversal of 42343313123 is 32131334324.

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

It is a cyclic number.

It is not a de Polignac number, because 42343313123 - 2⁸ = 42343312867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42343310123) 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, 24140123 + ... + 24141876.

It is an arithmetic number, because the mean of its divisors is an integer number (10597899000).

Almost surely, 2^42343313123 is an apocalyptic number.

42343313123 is a deficient number, since it is larger than the sum of its proper divisors (48282877).

42343313123 is an equidigital number, since it uses as much as digits as its factorization.

42343313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48282876.

The product of its digits is 15552, while the sum is 29.

Adding to 42343313123 its reverse (32131334324), we get a palindrome (74474647447).

The spelling of 42343313123 in words is "forty-two billion, three hundred forty-three million, three hundred thirteen thousand, one hundred twenty-three".