211423052000 has 96 divisors (see below), whose sum is σ = 519611156064. Its totient is φ = 84545664000.

The previous prime is 211423051991. The next prime is 211423052033. The reversal of 211423052000 is 250324112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24807740 + ... + 24816260.

It is an arithmetic number, because the mean of its divisors is an integer number (5412616209).

Almost surely, 2^211423052000 is an apocalyptic number.

211423052000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211423052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259805578032).

211423052000 is an abundant number, since it is smaller than the sum of its proper divisors (308188104064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211423052000 is an equidigital number, since it uses as much as digits as its factorization.

211423052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14749 (or 14731 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 211423052000 its reverse (250324112), we get a palindrome (211673376112).

The spelling of 211423052000 in words is "two hundred eleven billion, four hundred twenty-three million, fifty-two thousand".