230112640 has 64 divisors (see below), whose sum is σ = 553664160. Its totient is φ = 91451392.

The previous prime is 230112637. The next prime is 230112671. The reversal of 230112640 is 46211032.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 105804 + ... + 107956.

Almost surely, 2^230112640 is an apocalyptic number.

230112640 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 230112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276832080).

230112640 is an abundant number, since it is smaller than the sum of its proper divisors (323551520).

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

230112640 is a wasteful number, since it uses less digits than its factorization.

230112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 230112640 is about 15169.4640643630. The cubic root of 230112640 is about 612.7925710412.

Adding to 230112640 its reverse (46211032), we get a palindrome (276323672).

It can be divided in two parts, 23011 and 2640, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 230112640 in words is "two hundred thirty million, one hundred twelve thousand, six hundred forty".