202311223123 has 8 divisors (see below), whose sum is σ = 206637532992. Its totient is φ = 197985822336.

The previous prime is 202311223087. The next prime is 202311223129. The reversal of 202311223123 is 321322113202.

202311223123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202311223123 - 2³³ = 193721288531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202311223094 and 202311223103.

It is not an unprimeable number, because it can be changed into a prime (202311223129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232411 + ... + 677227.

It is an arithmetic number, because the mean of its divisors is an integer number (25829691624).

Almost surely, 2^202311223123 is an apocalyptic number.

202311223123 is a deficient number, since it is larger than the sum of its proper divisors (4326309869).

202311223123 is an equidigital number, since it uses as much as digits as its factorization.

202311223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454541.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202311223123 its reverse (321322113202), we get a palindrome (523633336325).

The spelling of 202311223123 in words is "two hundred two billion, three hundred eleven million, two hundred twenty-three thousand, one hundred twenty-three".