203123421131141 has 4 divisors (see below), whose sum is σ = 232141052721312. Its totient is φ = 174105789540972.

The previous prime is 203123421131087. The next prime is 203123421131161. The reversal of 203123421131141 is 141131124321302.

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 203123421131141 - 2²² = 203123416936837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123421131161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14508815795075 + ... + 14508815795088.

It is an arithmetic number, because the mean of its divisors is an integer number (58035263180328).

Almost surely, 2^{203123421131141} is an apocalyptic number.

It is an amenable number.

203123421131141 is a deficient number, since it is larger than the sum of its proper divisors (29017631590171).

203123421131141 is an equidigital number, since it uses as much as digits as its factorization.

203123421131141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29017631590170.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 203123421131141 its reverse (141131124321302), we get a palindrome (344254545452443).

The spelling of 203123421131141 in words is "two hundred three trillion, one hundred twenty-three billion, four hundred twenty-one million, one hundred thirty-one thousand, one hundred forty-one".