2323240 has 24 divisors (see below), whose sum is σ = 5249070. Its totient is φ = 925440.

The previous prime is 2323231. The next prime is 2323259. The reversal of 2323240 is 423232.

It can be written as a sum of positive squares in 3 ways, for example, as 2232036 + 91204 = 1494^2 + 302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9520 + ... + 9760.

2^2323240 is an apocalyptic number.

2323240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323240 is an abundant number, since it is smaller than the sum of its proper divisors (2925830).

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

2323240 is an equidigital number, since it uses as much as digits as its factorization.

2323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2323240 is about 1524.2178322012. The cubic root of 2323240 is about 132.4437164535.

Adding to 2323240 its reverse (423232), we get a palindrome (2746472).

The spelling of 2323240 in words is "two million, three hundred twenty-three thousand, two hundred forty".