231355440453 has 8 divisors (see below), whose sum is σ = 308712867616. Its totient is φ = 154117486800.

The previous prime is 231355440427. The next prime is 231355440467. The reversal of 231355440453 is 354044553132.

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

It is not a de Polignac number, because 231355440453 - 2¹⁰ = 231355439429 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 (231355440353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29863858 + ... + 29871603.

It is an arithmetic number, because the mean of its divisors is an integer number (38589108452).

Almost surely, 2^231355440453 is an apocalyptic number.

It is an amenable number.

231355440453 is a deficient number, since it is larger than the sum of its proper divisors (77357427163).

231355440453 is a wasteful number, since it uses less digits than its factorization.

231355440453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59736755.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 231355440453 its reverse (354044553132), we get a palindrome (585399993585).

The spelling of 231355440453 in words is "two hundred thirty-one billion, three hundred fifty-five million, four hundred forty thousand, four hundred fifty-three".