203041123312045 has 8 divisors (see below), whose sum is σ = 244995476969880. Its totient is φ = 161535479319360.

The previous prime is 203041123312009. The next prime is 203041123312067. The reversal of 203041123312045 is 540213321140302.

It can be written as a sum of positive squares in 4 ways, for example, as 31251711244329 + 171789412067716 = 5590323^2 + 13106846^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203041123312045 - 2¹⁹ = 203041122787757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203041123311998 and 203041123312016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112177415290 + ... + 112177417099.

It is an arithmetic number, because the mean of its divisors is an integer number (30624434621235).

Almost surely, 2^{203041123312045} is an apocalyptic number.

It is an amenable number.

203041123312045 is a deficient number, since it is larger than the sum of its proper divisors (41954353657835).

203041123312045 is a wasteful number, since it uses less digits than its factorization.

203041123312045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224354832575.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 203041123312045 its reverse (540213321140302), we get a palindrome (743254444452347).

The spelling of 203041123312045 in words is "two hundred three trillion, forty-one billion, one hundred twenty-three million, three hundred twelve thousand, forty-five".