1300232243 has 4 divisors (see below), whose sum is σ = 1304334240. Its totient is φ = 1296130248.

The previous prime is 1300232231. The next prime is 1300232257. The reversal of 1300232243 is 3422320031.

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 1300232243 - 2¹⁴ = 1300215859 is a prime.

It is a super-2 number, since 2×1300232243² = 3381207771473622098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300232203) 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, 2050523 + ... + 2051156.

It is an arithmetic number, because the mean of its divisors is an integer number (326083560).

Almost surely, 2^1300232243 is an apocalyptic number.

1300232243 is a deficient number, since it is larger than the sum of its proper divisors (4101997).

1300232243 is an equidigital number, since it uses as much as digits as its factorization.

1300232243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101996.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1300232243 is about 36058.7332417543. The cubic root of 1300232243 is about 1091.4578710778.

Adding to 1300232243 its reverse (3422320031), we get a palindrome (4722552274).

The spelling of 1300232243 in words is "one billion, three hundred million, two hundred thirty-two thousand, two hundred forty-three".