230203644 has 96 divisors (see below), whose sum is σ = 611960832. Its totient is φ = 66720000.

The previous prime is 230203609. The next prime is 230203657. The reversal of 230203644 is 446302032.

It is a happy number.

It is a congruent number.

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, 413014 + ... + 413570.

It is an arithmetic number, because the mean of its divisors is an integer number (6374592).

Almost surely, 2^230203644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230203644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305980416).

230203644 is an abundant number, since it is smaller than the sum of its proper divisors (381757188).

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

230203644 is a wasteful number, since it uses less digits than its factorization.

230203644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 230203644 is about 15172.4633464708. The cubic root of 230203644 is about 612.8733419559.

Adding to 230203644 its reverse (446302032), we get a palindrome (676505676).

The spelling of 230203644 in words is "two hundred thirty million, two hundred three thousand, six hundred forty-four".