123031102132 has 12 divisors (see below), whose sum is σ = 215325005476. Its totient is φ = 61509672000.

The previous prime is 123031102127. The next prime is 123031102133. The reversal of 123031102132 is 231201130321.

It can be written as a sum of positive squares in 2 ways, for example, as 42734812176 + 80296289956 = 206724^2 + 283366^2 .

It is a super-3 number, since 3×123031102132³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031102133) 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, 1422513 + ... + 1506520.

Almost surely, 2^123031102132 is an apocalyptic number.

It is an amenable number.

123031102132 is a deficient number, since it is larger than the sum of its proper divisors (92293903344).

123031102132 is a wasteful number, since it uses less digits than its factorization.

123031102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939538 (or 2939536 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123031102132 its reverse (231201130321), we get a palindrome (354232232453).

The spelling of 123031102132 in words is "one hundred twenty-three billion, thirty-one million, one hundred two thousand, one hundred thirty-two".