203231212323 has 8 divisors (see below), whose sum is σ = 271015915200. Its totient is φ = 135466992168.

The previous prime is 203231212319. The next prime is 203231212361. The reversal of 203231212323 is 323212132302.

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

It is not a de Polignac number, because 203231212323 - 2² = 203231212319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203231212293 and 203231212302.

It is not an unprimeable number, because it can be changed into a prime (203231212363) 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, 5097513 + ... + 5137226.

It is an arithmetic number, because the mean of its divisors is an integer number (33876989400).

Almost surely, 2^203231212323 is an apocalyptic number.

203231212323 is a deficient number, since it is larger than the sum of its proper divisors (67784702877).

203231212323 is a wasteful number, since it uses less digits than its factorization.

203231212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241361.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 203231212323 its reverse (323212132302), we get a palindrome (526443344625).

The spelling of 203231212323 in words is "two hundred three billion, two hundred thirty-one million, two hundred twelve thousand, three hundred twenty-three".