205223145313524 has 48 divisors (see below), whose sum is σ = 542830451849280. Its totient is φ = 59822131426560.

The previous prime is 205223145313519. The next prime is 205223145313531. The reversal of 205223145313524 is 425313541322502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34619286057 + ... + 34619291984.

It is an arithmetic number, because the mean of its divisors is an integer number (11308967746860).

Almost surely, 2^{205223145313524} is an apocalyptic number.

It is an amenable number.

205223145313524 is an abundant number, since it is smaller than the sum of its proper divisors (337607306535756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205223145313524 is a wasteful number, since it uses less digits than its factorization.

205223145313524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69238578080 (or 69238578078 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 205223145313524 in words is "two hundred five trillion, two hundred twenty-three billion, one hundred forty-five million, three hundred thirteen thousand, five hundred twenty-four".