403231243053 has 4 divisors (see below), whose sum is σ = 537641657408. Its totient is φ = 268820828700.

The previous prime is 403231243049. The next prime is 403231243069. The reversal of 403231243053 is 350342132304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 403231243053 - 2² = 403231243049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403231243053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403231247053) 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 3 ways as a sum of consecutive naturals, for example, 67205207173 + ... + 67205207178.

It is an arithmetic number, because the mean of its divisors is an integer number (134410414352).

Almost surely, 2^403231243053 is an apocalyptic number.

It is an amenable number.

403231243053 is a deficient number, since it is larger than the sum of its proper divisors (134410414355).

403231243053 is a wasteful number, since it uses less digits than its factorization.

403231243053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134410414354.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 403231243053 its reverse (350342132304), we get a palindrome (753573375357).

The spelling of 403231243053 in words is "four hundred three billion, two hundred thirty-one million, two hundred forty-three thousand, fifty-three".