100323501040 has 80 divisors (see below), whose sum is σ = 269785732608. Its totient is φ = 33982195968.

The previous prime is 100323501037. The next prime is 100323501049. The reversal of 100323501040 is 40105323001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 100323500999 and 100323501017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323501049) 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 15 ways as a sum of consecutive naturals, for example, 1032732 + ... + 1125691.

Almost surely, 2^100323501040 is an apocalyptic number.

100323501040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100323501040 is an abundant number, since it is smaller than the sum of its proper divisors (169462231568).

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

100323501040 is a wasteful number, since it uses less digits than its factorization.

100323501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158526 (or 2158520 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 100323501040 its reverse (40105323001), we get a palindrome (140428824041).

The spelling of 100323501040 in words is "one hundred billion, three hundred twenty-three million, five hundred one thousand, forty".