1000240343 has 4 divisors (see below), whose sum is σ = 1000319568. Its totient is φ = 1000161120.

The previous prime is 1000240333. The next prime is 1000240349. The reversal of 1000240343 is 3430420001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3430420001 = 3877 ⋅884813.

It is a cyclic number.

It is not a de Polignac number, because 1000240343 - 2¹⁶ = 1000174807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000240349) 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, 15971 + ... + 47492.

It is an arithmetic number, because the mean of its divisors is an integer number (250079892).

Almost surely, 2^1000240343 is an apocalyptic number.

1000240343 is a deficient number, since it is larger than the sum of its proper divisors (79225).

1000240343 is an equidigital number, since it uses as much as digits as its factorization.

1000240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79224.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1000240343 is about 31626.5765298744. The cubic root of 1000240343 is about 1000.0801079159.

Adding to 1000240343 its reverse (3430420001), we get a palindrome (4430660344).

The spelling of 1000240343 in words is "one billion, two hundred forty thousand, three hundred forty-three".