211432210423 has 16 divisors (see below), whose sum is σ = 252160045056. Its totient is φ = 173336264640.

The previous prime is 211432210397. The next prime is 211432210487. The reversal of 211432210423 is 324012234112.

It is not a de Polignac number, because 211432210423 - 2²⁹ = 210895339511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211432211423) 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, 2912538 + ... + 2984248.

It is an arithmetic number, because the mean of its divisors is an integer number (15760002816).

Almost surely, 2^211432210423 is an apocalyptic number.

211432210423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211432210423 is a deficient number, since it is larger than the sum of its proper divisors (40727834633).

211432210423 is a wasteful number, since it uses less digits than its factorization.

211432210423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90054.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211432210423 its reverse (324012234112), we get a palindrome (535444444535).

The spelling of 211432210423 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred ten thousand, four hundred twenty-three".