202112303123 has 8 divisors (see below), whose sum is σ = 207580894560. Its totient is φ = 196644032640.

The previous prime is 202112303089. The next prime is 202112303131. The reversal of 202112303123 is 321303211202.

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 202112303123 - 2²⁰ = 202111254547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202112303095 and 202112303104.

It is not an unprimeable number, because it can be changed into a prime (202112303923) 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, 1758443 + ... + 1869851.

It is an arithmetic number, because the mean of its divisors is an integer number (25947611820).

Almost surely, 2^202112303123 is an apocalyptic number.

202112303123 is a deficient number, since it is larger than the sum of its proper divisors (5468591437).

202112303123 is a wasteful number, since it uses less digits than its factorization.

202112303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160477.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202112303123 its reverse (321303211202), we get a palindrome (523415514325).

The spelling of 202112303123 in words is "two hundred two billion, one hundred twelve million, three hundred three thousand, one hundred twenty-three".