231042768 has 160 divisors (see below), whose sum is σ = 685670400. Its totient is φ = 66393600.

The previous prime is 231042709. The next prime is 231042769. The reversal of 231042768 is 867240132.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231042769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209553 + ... + 1209743.

It is an arithmetic number, because the mean of its divisors is an integer number (4285440).

Almost surely, 2^231042768 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 231042768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342835200).

231042768 is an abundant number, since it is smaller than the sum of its proper divisors (454627632).

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

231042768 is a wasteful number, since it uses less digits than its factorization.

231042768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 231042768 is about 15200.0910523589. The cubic root of 231042768 is about 613.6171082343.

The spelling of 231042768 in words is "two hundred thirty-one million, forty-two thousand, seven hundred sixty-eight".