203120010323 has 16 divisors (see below), whose sum is σ = 212976993600. Its totient is φ = 193463424000.

The previous prime is 203120010263. The next prime is 203120010343. The reversal of 203120010323 is 323010021302.

It is a cyclic number.

It is not a de Polignac number, because 203120010323 - 2¹⁰ = 203120009299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203120010343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026698 + ... + 1208448.

It is an arithmetic number, because the mean of its divisors is an integer number (13311062100).

Almost surely, 2^203120010323 is an apocalyptic number.

203120010323 is a deficient number, since it is larger than the sum of its proper divisors (9856983277).

203120010323 is a wasteful number, since it uses less digits than its factorization.

203120010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182302.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203120010323 its reverse (323010021302), we get a palindrome (526130031625).

The spelling of 203120010323 in words is "two hundred three billion, one hundred twenty million, ten thousand, three hundred twenty-three".