211423323100 has 36 divisors (see below), whose sum is σ = 500496669288. Its totient is φ = 76881208000.

The previous prime is 211423323053. The next prime is 211423323127. The reversal of 211423323100 is 1323324112.

It is a super-2 number, since 2×211423323100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96100411 + ... + 96102610.

It is an arithmetic number, because the mean of its divisors is an integer number (13902685258).

Almost surely, 2^211423323100 is an apocalyptic number.

211423323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211423323100 is an abundant number, since it is smaller than the sum of its proper divisors (289073346188).

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

211423323100 is a wasteful number, since it uses less digits than its factorization.

211423323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192203046 (or 192203039 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 211423323100 its reverse (1323324112), we get a palindrome (212746647212).

The spelling of 211423323100 in words is "two hundred eleven billion, four hundred twenty-three million, three hundred twenty-three thousand, one hundred".