231623196 has 144 divisors (see below), whose sum is σ = 660667392. Its totient is φ = 62899200.

The previous prime is 231623177. The next prime is 231623201. The reversal of 231623196 is 691326132.

231623196 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1768051 + ... + 1768181.

It is an arithmetic number, because the mean of its divisors is an integer number (4587968).

Almost surely, 2^231623196 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 231623196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330333696).

231623196 is an abundant number, since it is smaller than the sum of its proper divisors (429044196).

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

231623196 is a wasteful number, since it uses less digits than its factorization.

231623196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 271 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 231623196 is about 15219.1719879894. The cubic root of 231623196 is about 614.1305235924.

The spelling of 231623196 in words is "two hundred thirty-one million, six hundred twenty-three thousand, one hundred ninety-six".