211040023 has 8 divisors (see below), whose sum is σ = 225506160. Its totient is φ = 196801920.

The previous prime is 211039999. The next prime is 211040051. The reversal of 211040023 is 320040112.

211040023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211040023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211039985 and 211040012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211041023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55093 + ... + 58798.

It is an arithmetic number, because the mean of its divisors is an integer number (28188270).

Almost surely, 2^211040023 is an apocalyptic number.

211040023 is a deficient number, since it is larger than the sum of its proper divisors (14466137).

211040023 is a wasteful number, since it uses less digits than its factorization.

211040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114017.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211040023 is about 14527.2166294855. The cubic root of 211040023 is about 595.3718204191.

Adding to 211040023 its reverse (320040112), we get a palindrome (531080135).

The spelling of 211040023 in words is "two hundred eleven million, forty thousand, twenty-three".