203112302323 has 24 divisors (see below), whose sum is σ = 242123532048. Its totient is φ = 169823699136.

The previous prime is 203112302243. The next prime is 203112302329. The reversal of 203112302323 is 323203211302.

It is not a de Polignac number, because 203112302323 - 2²¹ = 203110205171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203112302294 and 203112302303.

It is not an unprimeable number, because it can be changed into a prime (203112302329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223240 + ... + 675322.

It is an arithmetic number, because the mean of its divisors is an integer number (10088480502).

Almost surely, 2^203112302323 is an apocalyptic number.

203112302323 is a deficient number, since it is larger than the sum of its proper divisors (39011229725).

203112302323 is a wasteful number, since it uses less digits than its factorization.

203112302323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452323 (or 452316 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203112302323 its reverse (323203211302), we get a palindrome (526315513625).

The spelling of 203112302323 in words is "two hundred three billion, one hundred twelve million, three hundred two thousand, three hundred twenty-three".