203323032121001 has 8 divisors (see below), whose sum is σ = 218972190958920. Its totient is φ = 187675148368512.

The previous prime is 203323032120973. The next prime is 203323032121109. The reversal of 203323032121001 is 100121230323302.

It can be written as a sum of positive squares in 4 ways, for example, as 9065669355625 + 194257362765376 = 3010925^2 + 13937624^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 203323032121001 - 2¹⁸ = 203323031858857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203323032121501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318440156 + ... + 319078013.

It is an arithmetic number, because the mean of its divisors is an integer number (27371523869865).

Almost surely, 2^{203323032121001} is an apocalyptic number.

It is an amenable number.

203323032121001 is a deficient number, since it is larger than the sum of its proper divisors (15649158837919).

203323032121001 is a wasteful number, since it uses less digits than its factorization.

203323032121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637542715.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 203323032121001 its reverse (100121230323302), we get a palindrome (303444262444303).

The spelling of 203323032121001 in words is "two hundred three trillion, three hundred twenty-three billion, thirty-two million, one hundred twenty-one thousand, one".