1301513452523 has 4 divisors (see below), whose sum is σ = 1314931117080. Its totient is φ = 1288095787968.

The previous prime is 1301513452483. The next prime is 1301513452553. The reversal of 1301513452523 is 3252543151031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1301513452523 - 2¹² = 1301513448427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301513452553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6708832133 + ... + 6708832326.

It is an arithmetic number, because the mean of its divisors is an integer number (328732779270).

Almost surely, 2^{1301513452523} is an apocalyptic number.

1301513452523 is a deficient number, since it is larger than the sum of its proper divisors (13417664557).

1301513452523 is an equidigital number, since it uses as much as digits as its factorization.

1301513452523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13417664556.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 1301513452523 in words is "one trillion, three hundred one billion, five hundred thirteen million, four hundred fifty-two thousand, five hundred twenty-three".