231234425884 has 144 divisors (see below), whose sum is σ = 556376325120. Its totient is φ = 82819376640.

The previous prime is 231234425881. The next prime is 231234425887. The reversal of 231234425884 is 488524432132.

231234425884 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 an interprime number because it is at equal distance from previous prime (231234425881) and next prime (231234425887).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231234425881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1502677 + ... + 1649395.

It is an arithmetic number, because the mean of its divisors is an integer number (3863724480).

Almost surely, 2^231234425884 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 231234425884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278188162560).

231234425884 is an abundant number, since it is smaller than the sum of its proper divisors (325141899236).

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

231234425884 is a wasteful number, since it uses less digits than its factorization.

231234425884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146808 (or 146799 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 46.

The spelling of 231234425884 in words is "two hundred thirty-one billion, two hundred thirty-four million, four hundred twenty-five thousand, eight hundred eighty-four".