202232012123 has 4 divisors (see below), whose sum is σ = 202238758008. Its totient is φ = 202225266240.

The previous prime is 202232012113. The next prime is 202232012159. The reversal of 202232012123 is 321210232202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321210232202 = 2 ⋅160605116101.

It is a cyclic number.

It is not a de Polignac number, because 202232012123 - 2¹⁰ = 202232011099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202232012095 and 202232012104.

It is not an unprimeable number, because it can be changed into a prime (202232012113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3327773 + ... + 3387998.

It is an arithmetic number, because the mean of its divisors is an integer number (50559689502).

Almost surely, 2^202232012123 is an apocalyptic number.

202232012123 is a deficient number, since it is larger than the sum of its proper divisors (6745885).

202232012123 is an equidigital number, since it uses as much as digits as its factorization.

202232012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745884.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202232012123 its reverse (321210232202), we get a palindrome (523442244325).

The spelling of 202232012123 in words is "two hundred two billion, two hundred thirty-two million, twelve thousand, one hundred twenty-three".