211432423 has 8 divisors (see below), whose sum is σ = 217404000. Its totient is φ = 205534368.

The previous prime is 211432409. The next prime is 211432427. The reversal of 211432423 is 324234112.

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

It is a cyclic number.

It is not a de Polignac number, because 211432423 - 2²⁵ = 177877991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211432394 and 211432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211432427) 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, 12523 + ... + 24076.

It is an arithmetic number, because the mean of its divisors is an integer number (27175500).

Almost surely, 2^211432423 is an apocalyptic number.

211432423 is a deficient number, since it is larger than the sum of its proper divisors (5971577).

211432423 is a wasteful number, since it uses less digits than its factorization.

211432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36761.

The product of its digits is 1152, while the sum is 22.

The square root of 211432423 is about 14540.7160415160. The cubic root of 211432423 is about 595.7405960525.

Adding to 211432423 its reverse (324234112), we get a palindrome (535666535).

The spelling of 211432423 in words is "two hundred eleven million, four hundred thirty-two thousand, four hundred twenty-three".