212323033123 has 4 divisors (see below), whose sum is σ = 212333467120. Its totient is φ = 212312599128.

The previous prime is 212323033103. The next prime is 212323033133. The reversal of 212323033123 is 321330323212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212323033123 - 2²⁵ = 212289478691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212323033103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5186415 + ... + 5227192.

It is an arithmetic number, because the mean of its divisors is an integer number (53083366780).

Almost surely, 2^212323033123 is an apocalyptic number.

212323033123 is a deficient number, since it is larger than the sum of its proper divisors (10433997).

212323033123 is a wasteful number, since it uses less digits than its factorization.

212323033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433996.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 212323033123 its reverse (321330323212), we get a palindrome (533653356335).

The spelling of 212323033123 in words is "two hundred twelve billion, three hundred twenty-three million, thirty-three thousand, one hundred twenty-three".