203412320323 has 8 divisors (see below), whose sum is σ = 213354844992. Its totient is φ = 193703737536.

The previous prime is 203412320291. The next prime is 203412320339. The reversal of 203412320323 is 323023214302.

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

It is a cyclic number.

It is not a de Polignac number, because 203412320323 - 2⁵ = 203412320291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203412320123) 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, 58483690 + ... + 58487167.

It is an arithmetic number, because the mean of its divisors is an integer number (26669355624).

Almost surely, 2^203412320323 is an apocalyptic number.

203412320323 is a deficient number, since it is larger than the sum of its proper divisors (9942524669).

203412320323 is a wasteful number, since it uses less digits than its factorization.

203412320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116970941.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 203412320323 its reverse (323023214302), we get a palindrome (526435534625).

The spelling of 203412320323 in words is "two hundred three billion, four hundred twelve million, three hundred twenty thousand, three hundred twenty-three".