42123232321120 has 48 divisors (see below), whose sum is σ = 105370026739488. Its totient is φ = 15858158049280.

The previous prime is 42123232321057. The next prime is 42123232321129. The reversal of 42123232321120 is 2112323232124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123232321129) 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, 7743238516 + ... + 7743243955.

It is an arithmetic number, because the mean of its divisors is an integer number (2195208890406).

Almost surely, 2^{42123232321120} is an apocalyptic number.

42123232321120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42123232321120 is an abundant number, since it is smaller than the sum of its proper divisors (63246794418368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42123232321120 is a wasteful number, since it uses less digits than its factorization.

42123232321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486482503 (or 15486482495 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42123232321120 its reverse (2112323232124), we get a palindrome (44235555553244).

The spelling of 42123232321120 in words is "forty-two trillion, one hundred twenty-three billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty".