230473242820 has 12 divisors (see below), whose sum is σ = 483993809964. Its totient is φ = 92189297120.

The previous prime is 230473242817. The next prime is 230473242821. The reversal of 230473242820 is 28242374032.

It can be written as a sum of positive squares in 2 ways, for example, as 100492804036 + 129980438784 = 317006^2 + 360528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230473242820.

It is not an unprimeable number, because it can be changed into a prime (230473242821) 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 in 3 ways as a sum of consecutive naturals, for example, 5761831051 + ... + 5761831090.

It is an arithmetic number, because the mean of its divisors is an integer number (40332817497).

Almost surely, 2^230473242820 is an apocalyptic number.

230473242820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230473242820 is an abundant number, since it is smaller than the sum of its proper divisors (253520567144).

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

230473242820 is a wasteful number, since it uses less digits than its factorization.

230473242820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11523662150 (or 11523662148 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 230473242820 in words is "two hundred thirty billion, four hundred seventy-three million, two hundred forty-two thousand, eight hundred twenty".