203011341123 has 4 divisors (see below), whose sum is σ = 270681788168. Its totient is φ = 135340894080.

The previous prime is 203011341101. The next prime is 203011341131. The reversal of 203011341123 is 321143110302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 203011341123 - 2⁸ = 203011340867 is a prime.

It is a super-2 number, since 2×203011341123² (a number of 23 digits) contains 22 as substring.

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 203011341123.

It is not an unprimeable number, because it can be changed into a prime (203011341223) 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, 33835223518 + ... + 33835223523.

It is an arithmetic number, because the mean of its divisors is an integer number (67670447042).

Almost surely, 2^203011341123 is an apocalyptic number.

203011341123 is a deficient number, since it is larger than the sum of its proper divisors (67670447045).

203011341123 is an equidigital number, since it uses as much as digits as its factorization.

203011341123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67670447044.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203011341123 its reverse (321143110302), we get a palindrome (524154451425).

The spelling of 203011341123 in words is "two hundred three billion, eleven million, three hundred forty-one thousand, one hundred twenty-three".