211023000023 has 16 divisors (see below), whose sum is σ = 234127410720. Its totient is φ = 188575948800.

The previous prime is 211023000007. The next prime is 211023000031. The reversal of 211023000023 is 320000320112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211023000023 - 2⁴ = 211023000007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211022999971 and 211023000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211023000043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981911 + ... + 1177367.

It is an arithmetic number, because the mean of its divisors is an integer number (14632963170).

Almost surely, 2^211023000023 is an apocalyptic number.

211023000023 is a deficient number, since it is larger than the sum of its proper divisors (23104410697).

211023000023 is a wasteful number, since it uses less digits than its factorization.

211023000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197138.

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

Adding to 211023000023 its reverse (320000320112), we get a palindrome (531023320135).

The spelling of 211023000023 in words is "two hundred eleven billion, twenty-three million, twenty-three", and thus it is an aban number.