231143130023 has 8 divisors (see below), whose sum is σ = 249514643616. Its totient is φ = 212856084000.

The previous prime is 231143130017. The next prime is 231143130037. The reversal of 231143130023 is 320031341132.

231143130023 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 231143130023 - 2³² = 226848162727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231143130623) 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, 21111203 + ... + 21122148.

It is an arithmetic number, because the mean of its divisors is an integer number (31189330452).

Almost surely, 2^231143130023 is an apocalyptic number.

231143130023 is a deficient number, since it is larger than the sum of its proper divisors (18371513593).

231143130023 is a wasteful number, since it uses less digits than its factorization.

231143130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42233785.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231143130023 its reverse (320031341132), we get a palindrome (551174471155).

The spelling of 231143130023 in words is "two hundred thirty-one billion, one hundred forty-three million, one hundred thirty thousand, twenty-three".