123123132551132 has 24 divisors (see below), whose sum is σ = 246246862772064. Its totient is φ = 52766928735552.

The previous prime is 123123132551119. The next prime is 123123132551179. The reversal of 123123132551132 is 231155231321321.

It is a junction number, because it is equal to n+sod(n) for n = 123123132551092 and 123123132551101.

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, 6898058 + ... + 17141454.

It is an arithmetic number, because the mean of its divisors is an integer number (10260285948836).

Almost surely, 2^{123123132551132} is an apocalyptic number.

It is an amenable number.

123123132551132 is an abundant number, since it is smaller than the sum of its proper divisors (123123730220932).

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

123123132551132 is a wasteful number, since it uses less digits than its factorization.

123123132551132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672685 (or 10672683 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

Adding to 123123132551132 its reverse (231155231321321), we get a palindrome (354278363872453).

The spelling of 123123132551132 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, one hundred thirty-two million, five hundred fifty-one thousand, one hundred thirty-two".