123011123132232 has 64 divisors (see below), whose sum is σ = 341704372737600. Its totient is φ = 41002890693120.

The previous prime is 123011123132143. The next prime is 123011123132237. The reversal of 123011123132232 is 232231321110321.

123011123132232 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 1 + 112 + 313 + 2 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 123011123132196 and 123011123132205.

It is not an unprimeable number, because it can be changed into a prime (123011123132237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5240248 + ... + 16537304.

It is an arithmetic number, because the mean of its divisors is an integer number (5339130824025).

Almost surely, 2^{123011123132232} is an apocalyptic number.

123011123132232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123011123132232 is an abundant number, since it is smaller than the sum of its proper divisors (218693249605368).

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

123011123132232 is a wasteful number, since it uses less digits than its factorization.

123011123132232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347483 (or 11347473 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 123011123132232 its reverse (232231321110321), we get a palindrome (355242444242553).

The spelling of 123011123132232 in words is "one hundred twenty-three trillion, eleven billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty-two".