100323090 has 96 divisors (see below), whose sum is σ = 311247360. Its totient is φ = 22927968.

The previous prime is 100323089. The next prime is 100323107. The reversal of 100323090 is 90323001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9439 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (3242160).

Almost surely, 2^100323090 is an apocalyptic number.

100323090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100323090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155623680).

100323090 is an abundant number, since it is smaller than the sum of its proper divisors (210924270).

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

100323090 is a wasteful number, since it uses less digits than its factorization.

100323090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 100323090 is about 10016.1414726430. The cubic root of 100323090 is about 464.6582296129.

Adding to 100323090 its reverse (90323001), we get a palindrome (190646091).

The spelling of 100323090 in words is "one hundred million, three hundred twenty-three thousand, ninety".