2400020223 has 4 divisors (see below), whose sum is σ = 3200026968. Its totient is φ = 1600013480.

The previous prime is 2400020213. The next prime is 2400020257. The reversal of 2400020223 is 3220200042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2400020223 - 2¹² = 2400016127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400020213) 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, 400003368 + ... + 400003373.

It is an arithmetic number, because the mean of its divisors is an integer number (800006742).

Almost surely, 2^2400020223 is an apocalyptic number.

2400020223 is a deficient number, since it is larger than the sum of its proper divisors (800006745).

2400020223 is an equidigital number, since it uses as much as digits as its factorization.

2400020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800006744.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2400020223 is about 48990.0012553582. The cubic root of 2400020223 is about 1338.8696606934.

Adding to 2400020223 its reverse (3220200042), we get a palindrome (5620220265).

The spelling of 2400020223 in words is "two billion, four hundred million, twenty thousand, two hundred twenty-three".