231063678 has 40 divisors (see below), whose sum is σ = 525072240. Its totient is φ = 75932640.

The previous prime is 231063671. The next prime is 231063691. The reversal of 231063678 is 876360132.

It is a happy number.

231063678 is a `hidden beast` number, since 2 + 3 + 10 + 636 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231063671) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1458 + ... + 21546.

It is an arithmetic number, because the mean of its divisors is an integer number (13126806).

Almost surely, 2^231063678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231063678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262536120).

231063678 is an abundant number, since it is smaller than the sum of its proper divisors (294008562).

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

231063678 is a wasteful number, since it uses less digits than its factorization.

231063678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20174 (or 20165 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 231063678 is about 15200.7788616242. The cubic root of 231063678 is about 613.6356190159.

The spelling of 231063678 in words is "two hundred thirty-one million, sixty-three thousand, six hundred seventy-eight".