1523023486009 has 2 divisors, whose sum is σ = 1523023486010. Its totient is φ = 1523023486008.

The previous prime is 1523023485961. The next prime is 1523023486027. The reversal of 1523023486009 is 9006843203251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1522743660025 + 279825984 = 1233995^2 + 16728^2 .

It is an emirp because it is prime and its reverse (9006843203251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1523023486009 - 2²¹ = 1523021388857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1523023486079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761511743004 + 761511743005.

It is an arithmetic number, because the mean of its divisors is an integer number (761511743005).

Almost surely, 2^{1523023486009} is an apocalyptic number.

It is an amenable number.

1523023486009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523023486009 is an equidigital number, since it uses as much as digits as its factorization.

1523023486009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 1523023486009 in words is "one trillion, five hundred twenty-three billion, twenty-three million, four hundred eighty-six thousand, nine".