203122040124433 has 4 divisors (see below), whose sum is σ = 206564786567280. Its totient is φ = 199679293681588.

The previous prime is 203122040124427. The next prime is 203122040124491. The reversal of 203122040124433 is 334421040221302.

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 a cyclic number.

It is not a de Polignac number, because 203122040124433 - 2⁹ = 203122040123921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203122040124395 and 203122040124404.

It is not an unprimeable number, because it can be changed into a prime (203122040124403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721373221335 + ... + 1721373221452.

It is an arithmetic number, because the mean of its divisors is an integer number (51641196641820).

Almost surely, 2^{203122040124433} is an apocalyptic number.

It is an amenable number.

203122040124433 is a deficient number, since it is larger than the sum of its proper divisors (3442746442847).

203122040124433 is an equidigital number, since it uses as much as digits as its factorization.

203122040124433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442746442846.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 203122040124433 its reverse (334421040221302), we get a palindrome (537543080345735).

The spelling of 203122040124433 in words is "two hundred three trillion, one hundred twenty-two billion, forty million, one hundred twenty-four thousand, four hundred thirty-three".