1033340243 has 4 divisors (see below), whose sum is σ = 1112827968. Its totient is φ = 953852520.

The previous prime is 1033340237. The next prime is 1033340309. The reversal of 1033340243 is 3420433301.

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 1033340243 - 2⁴ = 1033340227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1033340443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39743843 + ... + 39743868.

It is an arithmetic number, because the mean of its divisors is an integer number (278206992).

Almost surely, 2^1033340243 is an apocalyptic number.

1033340243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1033340243 is a deficient number, since it is larger than the sum of its proper divisors (79487725).

1033340243 is an equidigital number, since it uses as much as digits as its factorization.

1033340243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79487724.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1033340243 is about 32145.6100113219. The cubic root of 1033340243 is about 1010.9921443785.

Adding to 1033340243 its reverse (3420433301), we get a palindrome (4453773544).

The spelling of 1033340243 in words is "one billion, thirty-three million, three hundred forty thousand, two hundred forty-three".