1523045544523 has 16 divisors (see below), whose sum is σ = 1690156984320. Its totient is φ = 1365922711296.

The previous prime is 1523045544521. The next prime is 1523045544529. The reversal of 1523045544523 is 3254455403251.

It is a cyclic number.

It is not a de Polignac number, because 1523045544523 - 2¹ = 1523045544521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1523045544523.

It is not an unprimeable number, because it can be changed into a prime (1523045544521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17922715 + ... + 18007492.

It is an arithmetic number, because the mean of its divisors is an integer number (105634811520).

Almost surely, 2^{1523045544523} is an apocalyptic number.

1523045544523 is a deficient number, since it is larger than the sum of its proper divisors (167111439797).

1523045544523 is a wasteful number, since it uses less digits than its factorization.

1523045544523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35930346.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 1523045544523 in words is "one trillion, five hundred twenty-three billion, forty-five million, five hundred forty-four thousand, five hundred twenty-three".