1230660545357 has 2 divisors, whose sum is σ = 1230660545358. Its totient is φ = 1230660545356.

The previous prime is 1230660545351. The next prime is 1230660545437. The reversal of 1230660545357 is 7535450660321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144630375876 + 86030169481 = 1069874^2 + 293309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230660545357 - 2¹² = 1230660541261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230660545351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615330272678 + 615330272679.

It is an arithmetic number, because the mean of its divisors is an integer number (615330272679).

Almost surely, 2^{1230660545357} is an apocalyptic number.

It is an amenable number.

1230660545357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230660545357 is an equidigital number, since it uses as much as digits as its factorization.

1230660545357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 1230660545357 in words is "one trillion, two hundred thirty billion, six hundred sixty million, five hundred forty-five thousand, three hundred fifty-seven".