211430232323 has 4 divisors (see below), whose sum is σ = 211431374688. Its totient is φ = 211429089960.

The previous prime is 211430232319. The next prime is 211430232329. The reversal of 211430232323 is 323232034112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 211430232323 - 2² = 211430232319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211430232292 and 211430232301.

It is not an unprimeable number, because it can be changed into a prime (211430232329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222683 + ... + 687348.

It is an arithmetic number, because the mean of its divisors is an integer number (52857843672).

Almost surely, 2^211430232323 is an apocalyptic number.

211430232323 is a deficient number, since it is larger than the sum of its proper divisors (1142365).

211430232323 is an equidigital number, since it uses as much as digits as its factorization.

211430232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142364.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 211430232323 its reverse (323232034112), we get a palindrome (534662266435).

The spelling of 211430232323 in words is "two hundred eleven billion, four hundred thirty million, two hundred thirty-two thousand, three hundred twenty-three".