2303240240 has 320 divisors, whose sum is σ = 6906415104. Its totient is φ = 695844864.

The previous prime is 2303240209. The next prime is 2303240273. The reversal of 2303240240 is 420423032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14670242 + ... + 14670398.

Almost surely, 2^2303240240 is an apocalyptic number.

2303240240 is a gapful number since it is divisible by the number (20) 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 2303240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3453207552).

2303240240 is an abundant number, since it is smaller than the sum of its proper divisors (4603174864).

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

2303240240 is a wasteful number, since it uses less digits than its factorization.

2303240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2303240240 is about 47992.0851807879. The cubic root of 2303240240 is about 1320.6257058051.

Adding to 2303240240 its reverse (420423032), we get a palindrome (2723663272).

The spelling of 2303240240 in words is "two billion, three hundred three million, two hundred forty thousand, two hundred forty".