123543444304152 has 256 divisors, whose sum is σ = 365548546944000. Its totient is φ = 38525794965504.

The previous prime is 123543444304127. The next prime is 123543444304157. The reversal of 123543444304152 is 251403444345321.

It is a happy number.

123543444304152 is a `hidden beast` number, since 1 + 2 + 3 + 54 + 3 + 4 + 443 + 0 + 4 + 152 = 666.

It is a super-3 number, since 3×123543444304152³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123543444304098 and 123543444304107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123543444304157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1592570038 + ... + 1592647610.

It is an arithmetic number, because the mean of its divisors is an integer number (1427924011500).

Almost surely, 2^{123543444304152} is an apocalyptic number.

123543444304152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123543444304152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182774273472000).

123543444304152 is an abundant number, since it is smaller than the sum of its proper divisors (242005102639848).

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

123543444304152 is a wasteful number, since it uses less digits than its factorization.

123543444304152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80207 (or 80197 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

Adding to 123543444304152 its reverse (251403444345321), we get a palindrome (374946888649473).

The spelling of 123543444304152 in words is "one hundred twenty-three trillion, five hundred forty-three billion, four hundred forty-four million, three hundred four thousand, one hundred fifty-two".