211203312023 has 4 divisors (see below), whose sum is σ = 230403613128. Its totient is φ = 192003010920.

The previous prime is 211203312007. The next prime is 211203312037. The reversal of 211203312023 is 320213302112.

211203312023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211203312023 - 2⁴ = 211203312007 is a prime.

It is a super-3 number, since 3×211203312023³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211203311986 and 211203312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211203312053) 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 3 ways as a sum of consecutive naturals, for example, 9600150536 + ... + 9600150557.

It is an arithmetic number, because the mean of its divisors is an integer number (57600903282).

Almost surely, 2^211203312023 is an apocalyptic number.

211203312023 is a deficient number, since it is larger than the sum of its proper divisors (19200301105).

211203312023 is a wasteful number, since it uses less digits than its factorization.

211203312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19200301104.

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

Adding to 211203312023 its reverse (320213302112), we get a palindrome (531416614135).

The spelling of 211203312023 in words is "two hundred eleven billion, two hundred three million, three hundred twelve thousand, twenty-three".