100123130232 has 96 divisors (see below), whose sum is σ = 288140561280. Its totient is φ = 31299287040.

The previous prime is 100123130231. The next prime is 100123130269. The reversal of 100123130232 is 232031321001.

100123130232 is a `hidden beast` number, since 100 + 1 + 231 + 302 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123130231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198393 + ... + 489495.

It is an arithmetic number, because the mean of its divisors is an integer number (3001464180).

Almost surely, 2^100123130232 is an apocalyptic number.

100123130232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100123130232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144070280640).

100123130232 is an abundant number, since it is smaller than the sum of its proper divisors (188017431048).

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

100123130232 is a wasteful number, since it uses less digits than its factorization.

100123130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291413 (or 291406 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100123130232 its reverse (232031321001), we get a palindrome (332154451233).

The spelling of 100123130232 in words is "one hundred billion, one hundred twenty-three million, one hundred thirty thousand, two hundred thirty-two".