211223032023 has 4 divisors (see below), whose sum is σ = 281630709368. Its totient is φ = 140815354680.

The previous prime is 211223032003. The next prime is 211223032057. The reversal of 211223032023 is 320230322112.

It is a happy number.

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

It is not a de Polignac number, because 211223032023 - 2⁶ = 211223031959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223032003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35203838668 + ... + 35203838673.

It is an arithmetic number, because the mean of its divisors is an integer number (70407677342).

Almost surely, 2^211223032023 is an apocalyptic number.

211223032023 is a deficient number, since it is larger than the sum of its proper divisors (70407677345).

211223032023 is an equidigital number, since it uses as much as digits as its factorization.

211223032023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70407677344.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 211223032023 its reverse (320230322112), we get a palindrome (531453354135).

The spelling of 211223032023 in words is "two hundred eleven billion, two hundred twenty-three million, thirty-two thousand, twenty-three".