42123322332123 has 16 divisors (see below), whose sum is σ = 56311240867200. Its totient is φ = 28008832489920.

The previous prime is 42123322332083. The next prime is 42123322332199. The reversal of 42123322332123 is 32123322332124.

It is not a de Polignac number, because 42123322332123 - 2²² = 42123318137819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42123322334123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4396908 + ... + 10177398.

It is an arithmetic number, because the mean of its divisors is an integer number (3519452554200).

Almost surely, 2^{42123322332123} is an apocalyptic number.

42123322332123 is a deficient number, since it is larger than the sum of its proper divisors (14187918535077).

42123322332123 is a wasteful number, since it uses less digits than its factorization.

42123322332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786842.

The product of its digits is 62208, while the sum is 33.

Adding to 42123322332123 its reverse (32123322332124), we get a palindrome (74246644664247).

Subtracting from 42123322332123 its reverse (32123322332124), we obtain a palindrome (9999999999999).

The spelling of 42123322332123 in words is "forty-two trillion, one hundred twenty-three billion, three hundred twenty-two million, three hundred thirty-two thousand, one hundred twenty-three".