230856357720144 has 160 divisors (see below), whose sum is σ = 644499035643904. Its totient is φ = 70784860608000.

The previous prime is 230856357720139. The next prime is 230856357720151. The reversal of 230856357720144 is 441027753658032.

It is a super-2 number, since 2×230856357720144² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216440919 + ... + 217504905.

Almost surely, 2^{230856357720144} is an apocalyptic number.

230856357720144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230856357720144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322249517821952).

230856357720144 is an abundant number, since it is smaller than the sum of its proper divisors (413642677923760).

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

230856357720144 is a wasteful number, since it uses less digits than its factorization.

230856357720144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065225 (or 1065219 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 230856357720144 in words is "two hundred thirty trillion, eight hundred fifty-six billion, three hundred fifty-seven million, seven hundred twenty thousand, one hundred forty-four".