203120220323 has 16 divisors (see below), whose sum is σ = 206157194496. Its totient is φ = 200108581920.

The previous prime is 203120220313. The next prime is 203120220371. The reversal of 203120220323 is 323022021302.

203120220323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203120220323 - 2⁴ = 203120220307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203120220295 and 203120220304.

It is not an unprimeable number, because it can be changed into a prime (203120220313) 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 15 ways as a sum of consecutive naturals, for example, 20985161 + ... + 20994837.

It is an arithmetic number, because the mean of its divisors is an integer number (12884824656).

Almost surely, 2^203120220323 is an apocalyptic number.

203120220323 is a deficient number, since it is larger than the sum of its proper divisors (3036974173).

203120220323 is a wasteful number, since it uses less digits than its factorization.

203120220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203120220323 its reverse (323022021302), we get a palindrome (526142241625).

The spelling of 203120220323 in words is "two hundred three billion, one hundred twenty million, two hundred twenty thousand, three hundred twenty-three".