671233230 has 80 divisors (see below), whose sum is σ = 1810963440. Its totient is φ = 178391808.

The previous prime is 671233223. The next prime is 671233231. The reversal of 671233230 is 32332176.

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

It is a junction number, because it is equal to n+sod(n) for n = 671233194 and 671233203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671233231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 271741 + ... + 274199.

It is an arithmetic number, because the mean of its divisors is an integer number (22637043).

Almost surely, 2^671233230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671233230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905481720).

671233230 is an abundant number, since it is smaller than the sum of its proper divisors (1139730210).

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

671233230 is a wasteful number, since it uses less digits than its factorization.

671233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 671233230 is about 25908.1691749919. The cubic root of 671233230 is about 875.5705579456.

The spelling of 671233230 in words is "six hundred seventy-one million, two hundred thirty-three thousand, two hundred thirty".