211382423 has 6 divisors (see below), whose sum is σ = 245893896. Its totient is φ = 181184892.

The previous prime is 211382419. The next prime is 211382449. The reversal of 211382423 is 324283112.

211382423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211382423 - 2² = 211382419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211382392 and 211382401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211382623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2156915 + ... + 2157012.

It is an arithmetic number, because the mean of its divisors is an integer number (40982316).

Almost surely, 2^211382423 is an apocalyptic number.

211382423 is a deficient number, since it is larger than the sum of its proper divisors (34511473).

211382423 is an equidigital number, since it uses as much as digits as its factorization.

211382423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313941 (or 4313934 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 211382423 is about 14538.9966297541. The cubic root of 211382423 is about 595.6936316723.

The spelling of 211382423 in words is "two hundred eleven million, three hundred eighty-two thousand, four hundred twenty-three".