211023023 has 8 divisors (see below), whose sum is σ = 228886560. Its totient is φ = 193765120.

The previous prime is 211022993. The next prime is 211023049. The reversal of 211023023 is 320320112.

It is a happy number.

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 211023023 - 2²⁶ = 143914159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211022989 and 211023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211023083) 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 7 ways as a sum of consecutive naturals, for example, 150683 + ... + 152076.

It is an arithmetic number, because the mean of its divisors is an integer number (28610820).

Almost surely, 2^211023023 is an apocalyptic number.

211023023 is a deficient number, since it is larger than the sum of its proper divisors (17863537).

211023023 is a wasteful number, since it uses less digits than its factorization.

211023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302817.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 211023023 is about 14526.6315090595. The cubic root of 211023023 is about 595.3558335736.

Adding to 211023023 its reverse (320320112), we get a palindrome (531343135).

The spelling of 211023023 in words is "two hundred eleven million, twenty-three thousand, twenty-three".