211302023 has 2 divisors, whose sum is σ = 211302024. Its totient is φ = 211302022.

The previous prime is 211301947. The next prime is 211302031. The reversal of 211302023 is 320203112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211302023 - 2¹² = 211297927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211301989 and 211302007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211902023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105651011 + 105651012.

It is an arithmetic number, because the mean of its divisors is an integer number (105651012).

Almost surely, 2^211302023 is an apocalyptic number.

211302023 is a deficient number, since it is larger than the sum of its proper divisors (1).

211302023 is an equidigital number, since it uses as much as digits as its factorization.

211302023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 211302023 is about 14536.2313891875. The cubic root of 211302023 is about 595.6180974174.

Adding to 211302023 its reverse (320203112), we get a palindrome (531505135).

The spelling of 211302023 in words is "two hundred eleven million, three hundred two thousand, twenty-three".