203343020120423 has 8 divisors (see below), whose sum is σ = 217118533112448. Its totient is φ = 189978716471544.

The previous prime is 203343020120353. The next prime is 203343020120441. The reversal of 203343020120423 is 324021020343302.

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 203343020120423 - 2⁸ = 203343020120167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203343020120483) 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, 102802334765 + ... + 102802336742.

It is an arithmetic number, because the mean of its divisors is an integer number (27139816639056).

Almost surely, 2^{203343020120423} is an apocalyptic number.

203343020120423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

203343020120423 is a deficient number, since it is larger than the sum of its proper divisors (13775512992025).

203343020120423 is a wasteful number, since it uses less digits than its factorization.

203343020120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205604671573.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 203343020120423 its reverse (324021020343302), we get a palindrome (527364040463725).

The spelling of 203343020120423 in words is "two hundred three trillion, three hundred forty-three billion, twenty million, one hundred twenty thousand, four hundred twenty-three".