211000210023 has 32 divisors (see below), whose sum is σ = 290313433600. Its totient is φ = 136214338176.

The previous prime is 211000209991. The next prime is 211000210027. The reversal of 211000210023 is 320012000112.

It is not a de Polignac number, because 211000210023 - 2⁵ = 211000209991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211000209990 and 211000210008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000210027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28864893 + ... + 28872201.

It is an arithmetic number, because the mean of its divisors is an integer number (9072294800).

Almost surely, 2^211000210023 is an apocalyptic number.

211000210023 is a deficient number, since it is larger than the sum of its proper divisors (79313223577).

211000210023 is a wasteful number, since it uses less digits than its factorization.

211000210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 211000210023 its reverse (320012000112), we get a palindrome (531012210135).

The spelling of 211000210023 in words is "two hundred eleven billion, two hundred ten thousand, twenty-three".