1344564523 has 4 divisors (see below), whose sum is σ = 1348944520. Its totient is φ = 1340184528.

The previous prime is 1344564517. The next prime is 1344564539. The reversal of 1344564523 is 3254654431.

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 1344564523 - 2²⁹ = 807693611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344564553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189538 + ... + 2190151.

It is an arithmetic number, because the mean of its divisors is an integer number (337236130).

Almost surely, 2^1344564523 is an apocalyptic number.

1344564523 is a deficient number, since it is larger than the sum of its proper divisors (4379997).

1344564523 is an equidigital number, since it uses as much as digits as its factorization.

1344564523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379996.

The product of its digits is 172800, while the sum is 37.

The square root of 1344564523 is about 36668.3040649551. The cubic root of 1344564523 is about 1103.7241604473.

The spelling of 1344564523 in words is "one billion, three hundred forty-four million, five hundred sixty-four thousand, five hundred twenty-three".