230680944 has 90 divisors (see below), whose sum is σ = 699140520. Its totient is φ = 70971264.

The previous prime is 230680943. The next prime is 230680991. The reversal of 230680944 is 449086032.

It is a happy number.

It is a super-2 number, since 2×230680944² = 106427395849462272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 230680899 and 230680908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230680943) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19597 + ... + 29075.

It is an arithmetic number, because the mean of its divisors is an integer number (7768228).

Almost surely, 2^230680944 is an apocalyptic number.

230680944 is a gapful number since it is divisible by the number (24) 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 230680944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349570260).

230680944 is an abundant number, since it is smaller than the sum of its proper divisors (468459576).

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

230680944 is a wasteful number, since it uses less digits than its factorization.

230680944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519 (or 9497 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 230680944 is about 15188.1843549517. The cubic root of 230680944 is about 613.2966229866.

The spelling of 230680944 in words is "two hundred thirty million, six hundred eighty thousand, nine hundred forty-four".