211010023 has 12 divisors (see below), whose sum is σ = 247849680. Its totient is φ = 179105472.

The previous prime is 211009999. The next prime is 211010047. The reversal of 211010023 is 320010112.

It is an interprime number because it is at equal distance from previous prime (211009999) and next prime (211010047).

It is not a de Polignac number, because 211010023 - 2⁹ = 211009511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211009991 and 211010009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15858 + ... + 25951.

It is an arithmetic number, because the mean of its divisors is an integer number (20654140).

Almost surely, 2^211010023 is an apocalyptic number.

211010023 is a deficient number, since it is larger than the sum of its proper divisors (36839657).

211010023 is a wasteful number, since it uses less digits than its factorization.

211010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41926 (or 41919 counting only the distinct ones).

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

The square root of 211010023 is about 14526.1840481250. The cubic root of 211010023 is about 595.3436077594.

Adding to 211010023 its reverse (320010112), we get a palindrome (531020135).

The spelling of 211010023 in words is "two hundred eleven million, ten thousand, twenty-three".