203122133532143 has 16 divisors (see below), whose sum is σ = 232215481130496. Its totient is φ = 174047763221280.

The previous prime is 203122133532133. The next prime is 203122133532179. The reversal of 203122133532143 is 341235331221302.

It is a cyclic number.

It is not a de Polignac number, because 203122133532143 - 2⁸ = 203122133531887 is a prime.

It is a super-2 number, since 2×203122133532143² (a number of 29 digits) contains 22 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 (203122133532133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145012305 + ... + 2145106997.

It is an arithmetic number, because the mean of its divisors is an integer number (14513467570656).

Almost surely, 2^{203122133532143} is an apocalyptic number.

203122133532143 is a deficient number, since it is larger than the sum of its proper divisors (29093347598353).

203122133532143 is an equidigital number, since it uses as much as digits as its factorization.

203122133532143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191654.

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

Adding to 203122133532143 its reverse (341235331221302), we get a palindrome (544357464753445).

The spelling of 203122133532143 in words is "two hundred three trillion, one hundred twenty-two billion, one hundred thirty-three million, five hundred thirty-two thousand, one hundred forty-three".