231331043423 has 8 divisors (see below), whose sum is σ = 233941562640. Its totient is φ = 228720775360.

The previous prime is 231331043389. The next prime is 231331043477. The reversal of 231331043423 is 324340133132.

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 231331043423 - 2¹⁶ = 231330977887 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 (231331045423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2279561 + ... + 2378877.

It is an arithmetic number, because the mean of its divisors is an integer number (29242695330).

Almost surely, 2^231331043423 is an apocalyptic number.

231331043423 is a deficient number, since it is larger than the sum of its proper divisors (2610519217).

231331043423 is an equidigital number, since it uses as much as digits as its factorization.

231331043423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125577.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231331043423 its reverse (324340133132), we get a palindrome (555671176555).

The spelling of 231331043423 in words is "two hundred thirty-one billion, three hundred thirty-one million, forty-three thousand, four hundred twenty-three".