203113323 has 48 divisors (see below), whose sum is σ = 342553536. Its totient is φ = 113587200.

The previous prime is 203113307. The next prime is 203113343. The reversal of 203113323 is 323311302.

203113323 is a `hidden beast` number, since 20 + 311 + 332 + 3 = 666.

203113323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203113323 - 2⁴ = 203113307 is a prime.

It is a super-3 number, since 3×203113323³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203113296 and 203113305.

It is not an unprimeable number, because it can be changed into a prime (203113343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 871615 + ... + 871847.

It is an arithmetic number, because the mean of its divisors is an integer number (7136532).

Almost surely, 2^203113323 is an apocalyptic number.

203113323 is a deficient number, since it is larger than the sum of its proper divisors (139440213).

203113323 is a wasteful number, since it uses less digits than its factorization.

203113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 203113323 is about 14251.7831515919. The cubic root of 203113323 is about 587.8224074948.

Adding to 203113323 its reverse (323311302), we get a palindrome (526424625).

It can be divided in two parts, 203 and 113323, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 203113323 in words is "two hundred three million, one hundred thirteen thousand, three hundred twenty-three".