123044542332 has 12 divisors (see below), whose sum is σ = 287103932136. Its totient is φ = 41014847440.

The previous prime is 123044542289. The next prime is 123044542339. The reversal of 123044542332 is 233245440321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×123044542332³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123044542293 and 123044542302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044542339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5126855919 + ... + 5126855942.

It is an arithmetic number, because the mean of its divisors is an integer number (23925327678).

Almost surely, 2^123044542332 is an apocalyptic number.

123044542332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123044542332 is an abundant number, since it is smaller than the sum of its proper divisors (164059389804).

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

123044542332 is a wasteful number, since it uses less digits than its factorization.

123044542332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253711868 (or 10253711866 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 123044542332 its reverse (233245440321), we get a palindrome (356289982653).

The spelling of 123044542332 in words is "one hundred twenty-three billion, forty-four million, five hundred forty-two thousand, three hundred thirty-two".