203123123323 has 8 divisors (see below), whose sum is σ = 215107241328. Its totient is φ = 191142971904.

The previous prime is 203123123321. The next prime is 203123123363. The reversal of 203123123323 is 323321321302.

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 203123123323 - 2¹ = 203123123321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203123123321) 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, 885886 + ... + 1091347.

It is an arithmetic number, because the mean of its divisors is an integer number (26888405166).

Almost surely, 2^203123123323 is an apocalyptic number.

203123123323 is a deficient number, since it is larger than the sum of its proper divisors (11984118005).

203123123323 is a wasteful number, since it uses less digits than its factorization.

203123123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983293.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 203123123323 its reverse (323321321302), we get a palindrome (526444444625).

The spelling of 203123123323 in words is "two hundred three billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred twenty-three".