230430544140 has 96 divisors (see below), whose sum is σ = 652166633664. Its totient is φ = 60785786880.

The previous prime is 230430544139. The next prime is 230430544187. The reversal of 230430544140 is 41445034032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 230430544098 and 230430544107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14058750 + ... + 14075130.

It is an arithmetic number, because the mean of its divisors is an integer number (6793402434).

Almost surely, 2^230430544140 is an apocalyptic number.

230430544140 is a gapful number since it is divisible by the number (20) 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 230430544140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326083316832).

230430544140 is an abundant number, since it is smaller than the sum of its proper divisors (421736089524).

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

230430544140 is a wasteful number, since it uses less digits than its factorization.

230430544140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907 (or 18905 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 230430544140 its reverse (41445034032), we get a palindrome (271875578172).

The spelling of 230430544140 in words is "two hundred thirty billion, four hundred thirty million, five hundred forty-four thousand, one hundred forty".