203131334105423 has 8 divisors (see below), whose sum is σ = 203173575166800. Its totient is φ = 203089094036928.

The previous prime is 203131334105267. The next prime is 203131334105429. The reversal of 203131334105423 is 324501433131302.

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 203131334105423 - 2¹⁸ = 203131333843279 is a prime.

It is a super-4 number, since 4×203131334105423⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203131334105429) 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, 521633033 + ... + 522022301.

It is an arithmetic number, because the mean of its divisors is an integer number (25396696895850).

Almost surely, 2^{203131334105423} is an apocalyptic number.

203131334105423 is a deficient number, since it is larger than the sum of its proper divisors (42241061377).

203131334105423 is a wasteful number, since it uses less digits than its factorization.

203131334105423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496441.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 203131334105423 its reverse (324501433131302), we get a palindrome (527632767236725).

The spelling of 203131334105423 in words is "two hundred three trillion, one hundred thirty-one billion, three hundred thirty-four million, one hundred five thousand, four hundred twenty-three".