100923240 has 128 divisors (see below), whose sum is σ = 334005120. Its totient is φ = 24192000.

The previous prime is 100923233. The next prime is 100923253. The reversal of 100923240 is 42329001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132942 + ... + 133698.

It is an arithmetic number, because the mean of its divisors is an integer number (2609415).

Almost surely, 2^100923240 is an apocalyptic number.

100923240 is a gapful number since it is divisible by the number (10) 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 100923240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167002560).

100923240 is an abundant number, since it is smaller than the sum of its proper divisors (233081880).

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

100923240 is a wasteful number, since it uses less digits than its factorization.

100923240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 100923240 is about 10046.0559425080. The cubic root of 100923240 is about 465.5829433059.

The spelling of 100923240 in words is "one hundred million, nine hundred twenty-three thousand, two hundred forty".