123342251232 has 48 divisors (see below), whose sum is σ = 323792259840. Its totient is φ = 41111690112.

The previous prime is 123342251213. The next prime is 123342251239. The reversal of 123342251232 is 232152243321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 123342251232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123342251239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541369 + ... + 2589447.

It is an arithmetic number, because the mean of its divisors is an integer number (6745672080).

Almost surely, 2^123342251232 is an apocalyptic number.

123342251232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123342251232 is an abundant number, since it is smaller than the sum of its proper divisors (200450008608).

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

123342251232 is a wasteful number, since it uses less digits than its factorization.

123342251232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74815 (or 74807 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 123342251232 its reverse (232152243321), we get a palindrome (355494494553).

The spelling of 123342251232 in words is "one hundred twenty-three billion, three hundred forty-two million, two hundred fifty-one thousand, two hundred thirty-two".