1005233243 has 4 divisors (see below), whose sum is σ = 1148838000. Its totient is φ = 861628488.

The previous prime is 1005233237. The next prime is 1005233261. The reversal of 1005233243 is 3423325001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3423325001 = 67 ⋅51094403.

It is not a de Polignac number, because 1005233243 - 2⁶ = 1005233179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005233233) 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, 71802368 + ... + 71802381.

It is an arithmetic number, because the mean of its divisors is an integer number (287209500).

Almost surely, 2^1005233243 is an apocalyptic number.

1005233243 is a deficient number, since it is larger than the sum of its proper divisors (143604757).

1005233243 is an equidigital number, since it uses as much as digits as its factorization.

1005233243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143604756.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1005233243 is about 31705.4134652113. The cubic root of 1005233243 is about 1001.7413801683.

Adding to 1005233243 its reverse (3423325001), we get a palindrome (4428558244).

The spelling of 1005233243 in words is "one billion, five million, two hundred thirty-three thousand, two hundred forty-three".