13045523 has 2 divisors, whose sum is σ = 13045524. Its totient is φ = 13045522.

The previous prime is 13045519. The next prime is 13045541. The reversal of 13045523 is 32554031.

13045523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13045523 - 2² = 13045519 is a prime.

It is not a weakly prime, because it can be changed into another prime (13045553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522761 + 6522762.

It is an arithmetic number, because the mean of its divisors is an integer number (6522762).

Almost surely, 2^13045523 is an apocalyptic number.

13045523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045523 is an equidigital number, since it uses as much as digits as its factorization.

13045523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13045523 is about 3611.8586627940. The cubic root of 13045523 is about 235.4076100761.

Adding to 13045523 its reverse (32554031), we get a palindrome (45599554).

The spelling of 13045523 in words is "thirteen million, forty-five thousand, five hundred twenty-three".