123232401140 has 24 divisors (see below), whose sum is σ = 258838870920. Its totient is φ = 49283278848.

The previous prime is 123232401139. The next prime is 123232401151. The reversal of 123232401140 is 41104232321.

It can be written as a sum of positive squares in 4 ways, for example, as 3591125476 + 119641275664 = 59926^2 + 345892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500285 + ... + 704804.

It is an arithmetic number, because the mean of its divisors is an integer number (10784952955).

Almost surely, 2^123232401140 is an apocalyptic number.

123232401140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232401140 is an abundant number, since it is smaller than the sum of its proper divisors (135606469780).

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

123232401140 is a wasteful number, since it uses less digits than its factorization.

123232401140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210211 (or 1210209 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123232401140 its reverse (41104232321), we get a palindrome (164336633461).

The spelling of 123232401140 in words is "one hundred twenty-three billion, two hundred thirty-two million, four hundred one thousand, one hundred forty".