211323040003 has 16 divisors (see below), whose sum is σ = 233546918976. Its totient is φ = 190192076800.

The previous prime is 211323039979. The next prime is 211323040007. The reversal of 211323040003 is 300040323112.

It is a cyclic number.

It is not a de Polignac number, because 211323040003 - 2⁹ = 211323039491 is a prime.

It is a super-2 number, since 2×211323040003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211323040007) 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, 1374075 + ... + 1520107.

It is an arithmetic number, because the mean of its divisors is an integer number (14596682436).

Almost surely, 2^211323040003 is an apocalyptic number.

211323040003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211323040003 is a deficient number, since it is larger than the sum of its proper divisors (22223878973).

211323040003 is a wasteful number, since it uses less digits than its factorization.

211323040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149774.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 211323040003 its reverse (300040323112), we get a palindrome (511363363115).

The spelling of 211323040003 in words is "two hundred eleven billion, three hundred twenty-three million, forty thousand, three".