123232023544 has 96 divisors (see below), whose sum is σ = 283074220800. Its totient is φ = 50008674240.

The previous prime is 123232023521. The next prime is 123232023557. The reversal of 123232023544 is 445320232321.

It is a super-2 number, since 2×123232023544² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23555409 + ... + 23560639.

It is an arithmetic number, because the mean of its divisors is an integer number (2948689800).

Almost surely, 2^123232023544 is an apocalyptic number.

123232023544 is a gapful number since it is divisible by the number (14) 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 123232023544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141537110400).

123232023544 is an abundant number, since it is smaller than the sum of its proper divisors (159842197256).

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

123232023544 is a wasteful number, since it uses less digits than its factorization.

123232023544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433 (or 8422 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 123232023544 its reverse (445320232321), we get a palindrome (568552255865).

The spelling of 123232023544 in words is "one hundred twenty-three billion, two hundred thirty-two million, twenty-three thousand, five hundred forty-four".