1230523709249 has 2 divisors, whose sum is σ = 1230523709250. Its totient is φ = 1230523709248.

The previous prime is 1230523709179. The next prime is 1230523709267. The reversal of 1230523709249 is 9429073250321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891400339600 + 339123369649 = 944140^2 + 582343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230523709249 - 2²⁰ = 1230522660673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230523706249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615261854624 + 615261854625.

It is an arithmetic number, because the mean of its divisors is an integer number (615261854625).

Almost surely, 2^{1230523709249} is an apocalyptic number.

It is an amenable number.

1230523709249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230523709249 is an equidigital number, since it uses as much as digits as its factorization.

1230523709249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 1230523709249 in words is "one trillion, two hundred thirty billion, five hundred twenty-three million, seven hundred nine thousand, two hundred forty-nine".