1303340243 has 8 divisors (see below), whose sum is σ = 1349400000. Its totient is φ = 1257355008.

The previous prime is 1303340237. The next prime is 1303340257. The reversal of 1303340243 is 3420433031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303340243 - 2⁶ = 1303340179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303340263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18230 + ... + 54212.

It is an arithmetic number, because the mean of its divisors is an integer number (168675000).

Almost surely, 2^1303340243 is an apocalyptic number.

1303340243 is a deficient number, since it is larger than the sum of its proper divisors (46059757).

1303340243 is a wasteful number, since it uses less digits than its factorization.

1303340243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37261.

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

The square root of 1303340243 is about 36101.8038745988. The cubic root of 1303340243 is about 1092.3268316769.

Adding to 1303340243 its reverse (3420433031), we get a palindrome (4723773274).

The spelling of 1303340243 in words is "one billion, three hundred three million, three hundred forty thousand, two hundred forty-three".