1300231323257 has 2 divisors, whose sum is σ = 1300231323258. Its totient is φ = 1300231323256.

The previous prime is 1300231323103. The next prime is 1300231323299. The reversal of 1300231323257 is 7523231320031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854633687296 + 445597635961 = 924464^2 + 667531^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300231323257 - 2¹⁰ = 1300231322233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300231323557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650115661628 + 650115661629.

It is an arithmetic number, because the mean of its divisors is an integer number (650115661629).

Almost surely, 2^{1300231323257} is an apocalyptic number.

It is an amenable number.

1300231323257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300231323257 is an equidigital number, since it uses as much as digits as its factorization.

1300231323257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 1300231323257 its reverse (7523231320031), we get a palindrome (8823462643288).

The spelling of 1300231323257 in words is "one trillion, three hundred billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred fifty-seven".