45520012523 has 2 divisors, whose sum is σ = 45520012524. Its totient is φ = 45520012522.

The previous prime is 45520012519. The next prime is 45520012529. The reversal of 45520012523 is 32521002554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45520012523 - 2² = 45520012519 is a prime.

It is not a weakly prime, because it can be changed into another prime (45520012529) 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, 22760006261 + 22760006262.

It is an arithmetic number, because the mean of its divisors is an integer number (22760006262).

Almost surely, 2^45520012523 is an apocalyptic number.

45520012523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45520012523 is an equidigital number, since it uses as much as digits as its factorization.

45520012523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 45520012523 in words is "forty-five billion, five hundred twenty million, twelve thousand, five hundred twenty-three".