42312441123 has 8 divisors (see below), whose sum is σ = 62685098000. Its totient is φ = 28208294064.

The previous prime is 42312441109. The next prime is 42312441131. The reversal of 42312441123 is 32114421324.

42312441123 is a `hidden beast` number, since 423 + 124 + 4 + 112 + 3 = 666.

It is not a de Polignac number, because 42312441123 - 2⁸ = 42312440867 is a prime.

It is a super-2 number, since 2×42312441123² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1567127449 = 42312441123 / (4 + 2 + 3 + 1 + 2 + 4 + 4 + 1 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42312441623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783563698 + ... + 783563751.

It is an arithmetic number, because the mean of its divisors is an integer number (7835637250).

Almost surely, 2^42312441123 is an apocalyptic number.

42312441123 is a deficient number, since it is larger than the sum of its proper divisors (20372656877).

42312441123 is a wasteful number, since it uses less digits than its factorization.

42312441123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567127458 (or 1567127452 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 42312441123 its reverse (32114421324), we get a palindrome (74426862447).

The spelling of 42312441123 in words is "forty-two billion, three hundred twelve million, four hundred forty-one thousand, one hundred twenty-three".