100023033012 has 144 divisors (see below), whose sum is σ = 281424084480. Its totient is φ = 27540172800.

The previous prime is 100023032969. The next prime is 100023033013. The reversal of 100023033012 is 210330320001.

It is a junction number, because it is equal to n+sod(n) for n = 100023032982 and 100023033000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023033013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4381564 + ... + 4404332.

It is an arithmetic number, because the mean of its divisors is an integer number (1954333920).

Almost surely, 2^100023033012 is an apocalyptic number.

100023033012 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 100023033012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140712042240).

100023033012 is an abundant number, since it is smaller than the sum of its proper divisors (181401051468).

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

100023033012 is a wasteful number, since it uses less digits than its factorization.

100023033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23062 (or 23053 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 100023033012 its reverse (210330320001), we get a palindrome (310353353013).

The spelling of 100023033012 in words is "one hundred billion, twenty-three million, thirty-three thousand, twelve".