203123230323 has 8 divisors (see below), whose sum is σ = 291664125648. Its totient is φ = 124998910944.

The previous prime is 203123230319. The next prime is 203123230397. The reversal of 203123230323 is 323032321302.

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

It is not a de Polignac number, because 203123230323 - 2² = 203123230319 is a prime.

It is a super-3 number, since 3×203123230323³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203123230293 and 203123230302.

It is not an unprimeable number, because it can be changed into a prime (203123230313) 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, 2604143940 + ... + 2604144017.

It is an arithmetic number, because the mean of its divisors is an integer number (36458015706).

Almost surely, 2^203123230323 is an apocalyptic number.

203123230323 is a deficient number, since it is larger than the sum of its proper divisors (88540895325).

203123230323 is a wasteful number, since it uses less digits than its factorization.

203123230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208287973.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 203123230323 its reverse (323032321302), we get a palindrome (526155551625).

The spelling of 203123230323 in words is "two hundred three billion, one hundred twenty-three million, two hundred thirty thousand, three hundred twenty-three".