10323840 has 128 divisors (see below), whose sum is σ = 34761600. Its totient is φ = 2598912.

The previous prime is 10323839. The next prime is 10323869. The reversal of 10323840 is 4832301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36339 + ... + 36621.

It is an arithmetic number, because the mean of its divisors is an integer number (271575).

Almost surely, 2^10323840 is an apocalyptic number.

10323840 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 10323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17380800).

10323840 is an abundant number, since it is smaller than the sum of its proper divisors (24437760).

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

10323840 is a wasteful number, since it uses less digits than its factorization.

10323840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 10323840 is about 3213.0732951491. The cubic root of 10323840 is about 217.7444470563.

The spelling of 10323840 in words is "ten million, three hundred twenty-three thousand, eight hundred forty".