202323310123 has 16 divisors (see below), whose sum is σ = 223172827776. Its totient is φ = 181890567040.

The previous prime is 202323310103. The next prime is 202323310129. The reversal of 202323310123 is 321013323202.

It is a cyclic number.

It is not a de Polignac number, because 202323310123 - 2⁹ = 202323309611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202323310094 and 202323310103.

It is not an unprimeable number, because it can be changed into a prime (202323310129) 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, 366936 + ... + 734362.

It is an arithmetic number, because the mean of its divisors is an integer number (13948301736).

Almost surely, 2^202323310123 is an apocalyptic number.

202323310123 is a deficient number, since it is larger than the sum of its proper divisors (20849517653).

202323310123 is a wasteful number, since it uses less digits than its factorization.

202323310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367994.

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

Adding to 202323310123 its reverse (321013323202), we get a palindrome (523336633325).

The spelling of 202323310123 in words is "two hundred two billion, three hundred twenty-three million, three hundred ten thousand, one hundred twenty-three".