2421200343 has 16 divisors (see below), whose sum is σ = 3515356800. Its totient is φ = 1476447840.

The previous prime is 2421200303. The next prime is 2421200357. The reversal of 2421200343 is 3430021242.

It is not a de Polignac number, because 2421200343 - 2¹⁸ = 2420938199 is a prime.

It is a super-2 number, since 2×2421200343² = 11724422201886635298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421200303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730713 + ... + 734018.

It is an arithmetic number, because the mean of its divisors is an integer number (219709800).

Almost surely, 2^2421200343 is an apocalyptic number.

2421200343 is a deficient number, since it is larger than the sum of its proper divisors (1094156457).

2421200343 is a wasteful number, since it uses less digits than its factorization.

2421200343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464782.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2421200343 is about 49205.6942131701. The cubic root of 2421200343 is about 1342.7966288285.

Adding to 2421200343 its reverse (3430021242), we get a palindrome (5851221585).

The spelling of 2421200343 in words is "two billion, four hundred twenty-one million, two hundred thousand, three hundred forty-three".