1326087523 has 2 divisors, whose sum is σ = 1326087524. Its totient is φ = 1326087522.

The previous prime is 1326087509. The next prime is 1326087547. The reversal of 1326087523 is 3257806231.

It is a weak prime.

It is an emirp because it is prime and its reverse (3257806231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1326087523 - 2⁵ = 1326087491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1326087593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663043761 + 663043762.

It is an arithmetic number, because the mean of its divisors is an integer number (663043762).

Almost surely, 2^1326087523 is an apocalyptic number.

1326087523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326087523 is an equidigital number, since it uses as much as digits as its factorization.

1326087523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1326087523 is about 36415.4846596884. The cubic root of 1326087523 is about 1098.6450322020.

It can be divided in two parts, 132608752 and 3, that added together give a triangular number (132608755 = T₁₆₂₈₅).

The spelling of 1326087523 in words is "one billion, three hundred twenty-six million, eighty-seven thousand, five hundred twenty-three".