230660321140 has 96 divisors (see below), whose sum is σ = 499894817184. Its totient is φ = 89367183360.

The previous prime is 230660321117. The next prime is 230660321147. The reversal of 230660321140 is 41123066032.

It can be written as a sum of positive squares in 16 ways, for example, as 228526065936 + 2134255204 = 478044^2 + 46198^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230660321099 and 230660321108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230660321147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21638692 + ... + 21649348.

It is an arithmetic number, because the mean of its divisors is an integer number (5207237679).

Almost surely, 2^230660321140 is an apocalyptic number.

230660321140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230660321140 is an abundant number, since it is smaller than the sum of its proper divisors (269234496044).

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

230660321140 is a wasteful number, since it uses less digits than its factorization.

230660321140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997 (or 10995 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 230660321140 its reverse (41123066032), we get a palindrome (271783387172).

The spelling of 230660321140 in words is "two hundred thirty billion, six hundred sixty million, three hundred twenty-one thousand, one hundred forty".