1300343243 has 8 divisors (see below), whose sum is σ = 1377157968. Its totient is φ = 1223564544.

The previous prime is 1300343201. The next prime is 1300343251. The reversal of 1300343243 is 3423430031.

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 1300343243 - 2⁸ = 1300342987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300343293) 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, 111455 + ... + 122567.

It is an arithmetic number, because the mean of its divisors is an integer number (172144746).

Almost surely, 2^1300343243 is an apocalyptic number.

1300343243 is a deficient number, since it is larger than the sum of its proper divisors (76814725).

1300343243 is a wasteful number, since it uses less digits than its factorization.

1300343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013.

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

The square root of 1300343243 is about 36060.2723644733. The cubic root of 1300343243 is about 1091.4889292155.

Adding to 1300343243 its reverse (3423430031), we get a palindrome (4723773274).

The spelling of 1300343243 in words is "one billion, three hundred million, three hundred forty-three thousand, two hundred forty-three".