211100023 has 2 divisors, whose sum is σ = 211100024. Its totient is φ = 211100022.

The previous prime is 211100017. The next prime is 211100027. The reversal of 211100023 is 320001112.

211100023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211100023 - 2²⁵ = 177545591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211099982 and 211100009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211100027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550011 + 105550012.

It is an arithmetic number, because the mean of its divisors is an integer number (105550012).

Almost surely, 2^211100023 is an apocalyptic number.

211100023 is a deficient number, since it is larger than the sum of its proper divisors (1).

211100023 is an equidigital number, since it uses as much as digits as its factorization.

211100023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211100023 is about 14529.2815720530. The cubic root of 211100023 is about 595.4282377183.

Adding to 211100023 its reverse (320001112), we get a palindrome (531101135).

The spelling of 211100023 in words is "two hundred eleven million, one hundred thousand, twenty-three".