231230143320 has 96 divisors (see below), whose sum is σ = 762486222960. Its totient is φ = 56055788800.

The previous prime is 231230143297. The next prime is 231230143343. The reversal of 231230143320 is 23341032132.

231230143320 is digitally balanced in base 3, because in such base 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 (231230143297) and next prime (231230143343).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7947951 + ... + 7976990.

Almost surely, 2^231230143320 is an apocalyptic number.

231230143320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231230143320 is an abundant number, since it is smaller than the sum of its proper divisors (531256079640).

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

231230143320 is a wasteful number, since it uses less digits than its factorization.

231230143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15924977 (or 15924962 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231230143320 its reverse (23341032132), we get a palindrome (254571175452).

The spelling of 231230143320 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred forty-three thousand, three hundred twenty".