231224001143 has 8 divisors (see below), whose sum is σ = 241289813088. Its totient is φ = 221159238784.

The previous prime is 231224001131. The next prime is 231224001191. The reversal of 231224001143 is 341100422132.

231224001143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231224001143 - 2²⁶ = 231156892279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231224001443) 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 7 ways as a sum of consecutive naturals, for example, 205571 + ... + 710427.

It is an arithmetic number, because the mean of its divisors is an integer number (30161226636).

Almost surely, 2^231224001143 is an apocalyptic number.

231224001143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231224001143 is a deficient number, since it is larger than the sum of its proper divisors (10065811945).

231224001143 is a wasteful number, since it uses less digits than its factorization.

231224001143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524793.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 231224001143 its reverse (341100422132), we get a palindrome (572324423275).

The spelling of 231224001143 in words is "two hundred thirty-one billion, two hundred twenty-four million, one thousand, one hundred forty-three".