230018520573 has 12 divisors (see below), whose sum is σ = 332253939420. Its totient is φ = 153343388736.

The previous prime is 230018520533. The next prime is 230018520581. The reversal of 230018520573 is 375025810032.

It is a happy number.

230018520573 is a `hidden beast` number, since 2 + 3 + 0 + 0 + 1 + 85 + 2 + 0 + 573 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 109135747449 + 120882773124 = 330357^2 + 347682^2 .

It is not a de Polignac number, because 230018520573 - 2⁸ = 230018520317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230018520503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630865 + ... + 926297.

It is an arithmetic number, because the mean of its divisors is an integer number (27687828285).

Almost surely, 2^230018520573 is an apocalyptic number.

It is an amenable number.

230018520573 is a deficient number, since it is larger than the sum of its proper divisors (102235418847).

230018520573 is a wasteful number, since it uses less digits than its factorization.

230018520573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381948 (or 381945 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 230018520573 in words is "two hundred thirty billion, eighteen million, five hundred twenty thousand, five hundred seventy-three".