230643450 has 144 divisors (see below), whose sum is σ = 659707776. Its totient is φ = 59875200.

The previous prime is 230643433. The next prime is 230643541. The reversal of 230643450 is 54346032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 497919 + ... + 498381.

It is an arithmetic number, because the mean of its divisors is an integer number (4581304).

Almost surely, 2^230643450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230643450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329853888).

230643450 is an abundant number, since it is smaller than the sum of its proper divisors (429064326).

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

230643450 is a wasteful number, since it uses less digits than its factorization.

230643450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 230643450 is about 15186.9499900408. The cubic root of 230643450 is about 613.2633935556.

Adding to 230643450 its reverse (54346032), we get a palindrome (284989482).

The spelling of 230643450 in words is "two hundred thirty million, six hundred forty-three thousand, four hundred fifty".