12523213445839 has 2 divisors, whose sum is σ = 12523213445840. Its totient is φ = 12523213445838.

The previous prime is 12523213445689. The next prime is 12523213445923. The reversal of 12523213445839 is 93854431232521.

It is a strong prime.

It is an emirp because it is prime and its reverse (93854431232521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12523213445839 - 2¹¹ = 12523213443791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12523213449839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261606722919 + 6261606722920.

It is an arithmetic number, because the mean of its divisors is an integer number (6261606722920).

Almost surely, 2^{12523213445839} is an apocalyptic number.

12523213445839 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523213445839 is an equidigital number, since it uses as much as digits as its factorization.

12523213445839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 52.

The spelling of 12523213445839 in words is "twelve trillion, five hundred twenty-three billion, two hundred thirteen million, four hundred forty-five thousand, eight hundred thirty-nine".