203101123323 has 16 divisors (see below), whose sum is σ = 309494224640. Its totient is φ = 116055235296.

The previous prime is 203101123307. The next prime is 203101123327. The reversal of 203101123323 is 323321101302.

It is not a de Polignac number, because 203101123323 - 2⁴ = 203101123307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203101123323.

It is not an unprimeable number, because it can be changed into a prime (203101123327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314213 + ... + 1460601.

It is an arithmetic number, because the mean of its divisors is an integer number (19343389040).

Almost surely, 2^203101123323 is an apocalyptic number.

203101123323 is a deficient number, since it is larger than the sum of its proper divisors (106393101317).

203101123323 is a wasteful number, since it uses less digits than its factorization.

203101123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212466.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203101123323 its reverse (323321101302), we get a palindrome (526422224625).

The spelling of 203101123323 in words is "two hundred three billion, one hundred one million, one hundred twenty-three thousand, three hundred twenty-three".