42312113123 has 8 divisors (see below), whose sum is σ = 48357999360. Its totient is φ = 36266551560.

The previous prime is 42312113087. The next prime is 42312113141. The reversal of 42312113123 is 32131121324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42312113123 - 2⁸ = 42312112867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42312113153) 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, 352778 + ... + 457248.

It is an arithmetic number, because the mean of its divisors is an integer number (6044749920).

Almost surely, 2^42312113123 is an apocalyptic number.

42312113123 is a deficient number, since it is larger than the sum of its proper divisors (6045886237).

42312113123 is a wasteful number, since it uses less digits than its factorization.

42312113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162337.

The product of its digits is 864, while the sum is 23.

Adding to 42312113123 its reverse (32131121324), we get a palindrome (74443234447).

The spelling of 42312113123 in words is "forty-two billion, three hundred twelve million, one hundred thirteen thousand, one hundred twenty-three".