230321644 has 24 divisors (see below), whose sum is σ = 487740960. Its totient is φ = 92902656.

The previous prime is 230321621. The next prime is 230321653. The reversal of 230321644 is 446123032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241459 + ... + 242410.

It is an arithmetic number, because the mean of its divisors is an integer number (20322540).

Almost surely, 2^230321644 is an apocalyptic number.

It is an amenable number.

230321644 is an abundant number, since it is smaller than the sum of its proper divisors (257419316).

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

230321644 is a wasteful number, since it uses less digits than its factorization.

230321644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483897 (or 483895 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 230321644 is about 15176.3514719448. The cubic root of 230321644 is about 612.9780415746.

Adding to 230321644 its reverse (446123032), we get a palindrome (676444676).

The spelling of 230321644 in words is "two hundred thirty million, three hundred twenty-one thousand, six hundred forty-four".