1330110023257 has 2 divisors, whose sum is σ = 1330110023258. Its totient is φ = 1330110023256.

The previous prime is 1330110023189. The next prime is 1330110023293. The reversal of 1330110023257 is 7523200110331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1025300030041 + 304809993216 = 1012571^2 + 552096^2 .

It is an emirp because it is prime and its reverse (7523200110331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330110023257 - 2¹⁹ = 1330109498969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330110023057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665055011628 + 665055011629.

It is an arithmetic number, because the mean of its divisors is an integer number (665055011629).

Almost surely, 2^{1330110023257} is an apocalyptic number.

It is an amenable number.

1330110023257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330110023257 is an equidigital number, since it uses as much as digits as its factorization.

1330110023257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 1330110023257 its reverse (7523200110331), we get a palindrome (8853310133588).

The spelling of 1330110023257 in words is "one trillion, three hundred thirty billion, one hundred ten million, twenty-three thousand, two hundred fifty-seven".