545434213523 has 2 divisors, whose sum is σ = 545434213524. Its totient is φ = 545434213522.

The previous prime is 545434213477. The next prime is 545434213531. The reversal of 545434213523 is 325312434545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545434213523 - 2²⁴ = 545417436307 is a prime.

It is not a weakly prime, because it can be changed into another prime (545434213573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272717106761 + 272717106762.

It is an arithmetic number, because the mean of its divisors is an integer number (272717106762).

Almost surely, 2^545434213523 is an apocalyptic number.

545434213523 is a deficient number, since it is larger than the sum of its proper divisors (1).

545434213523 is an equidigital number, since it uses as much as digits as its factorization.

545434213523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 41.

The spelling of 545434213523 in words is "five hundred forty-five billion, four hundred thirty-four million, two hundred thirteen thousand, five hundred twenty-three".