123031232132 has 24 divisors (see below), whose sum is σ = 222269471256. Its totient is φ = 59542898688.

The previous prime is 123031232123. The next prime is 123031232143. The reversal of 123031232132 is 231232130321.

It can be written as a sum of positive squares in 4 ways, for example, as 40475001856 + 82556230276 = 201184^2 + 287326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123031232098 and 123031232107.

It is an unprimeable number.

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, 2125043 + ... + 2182170.

It is an arithmetic number, because the mean of its divisors is an integer number (9261227969).

Almost surely, 2^123031232132 is an apocalyptic number.

It is an amenable number.

123031232132 is a deficient number, since it is larger than the sum of its proper divisors (99238239124).

123031232132 is a wasteful number, since it uses less digits than its factorization.

123031232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307447 (or 4307445 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123031232132 its reverse (231232130321), we get a palindrome (354263362453).

The spelling of 123031232132 in words is "one hundred twenty-three billion, thirty-one million, two hundred thirty-two thousand, one hundred thirty-two".