2323840 has 32 divisors (see below), whose sum is σ = 5556960. Its totient is φ = 929280.

The previous prime is 2323837. The next prime is 2323847. The reversal of 2323840 is 483232.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (173655).

2^2323840 is an apocalyptic number.

2323840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323840 is an abundant number, since it is smaller than the sum of its proper divisors (3233120).

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

2323840 is an equidigital number, since it uses as much as digits as its factorization.

2323840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650 (or 3638 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2323840 is about 1524.4146417560. The cubic root of 2323840 is about 132.4551171109.

The spelling of 2323840 in words is "two million, three hundred twenty-three thousand, eight hundred forty".