1000450343 has 4 divisors (see below), whose sum is σ = 1043948208. Its totient is φ = 956952480.

The previous prime is 1000450331. The next prime is 1000450369. The reversal of 1000450343 is 3430540001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430540001 = 7 ⋅490077143.

It is a cyclic number.

It is not a de Polignac number, because 1000450343 - 2¹² = 1000446247 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 (1000450303) 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, 21748898 + ... + 21748943.

It is an arithmetic number, because the mean of its divisors is an integer number (260987052).

Almost surely, 2^1000450343 is an apocalyptic number.

1000450343 is a deficient number, since it is larger than the sum of its proper divisors (43497865).

1000450343 is an equidigital number, since it uses as much as digits as its factorization.

1000450343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43497864.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1000450343 is about 31629.8963482336. The cubic root of 1000450343 is about 1000.1500918047.

Adding to 1000450343 its reverse (3430540001), we get a palindrome (4430990344).

The spelling of 1000450343 in words is "one billion, four hundred fifty thousand, three hundred forty-three".