231234654 has 64 divisors (see below), whose sum is σ = 546269184. Its totient is φ = 63887616.

The previous prime is 231234643. The next prime is 231234683. The reversal of 231234654 is 456432132.

231234654 is digitally balanced in base 3, because in such base 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 31 ways as a sum of consecutive naturals, for example, 161787 + ... + 163209.

It is an arithmetic number, because the mean of its divisors is an integer number (8535456).

Almost surely, 2^231234654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231234654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273134592).

231234654 is an abundant number, since it is smaller than the sum of its proper divisors (315034530).

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

231234654 is a wasteful number, since it uses less digits than its factorization.

231234654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561.

The product of its digits is 17280, while the sum is 30.

The square root of 231234654 is about 15206.4017440024. The cubic root of 231234654 is about 613.7869353072.

Adding to 231234654 its reverse (456432132), we get a palindrome (687666786).

The spelling of 231234654 in words is "two hundred thirty-one million, two hundred thirty-four thousand, six hundred fifty-four".