211111231000323 has 8 divisors (see below), whose sum is σ = 286792615698768. Its totient is φ = 138085333484384.

The previous prime is 211111231000291. The next prime is 211111231000331. The reversal of 211111231000323 is 323000132111112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211111231000323 - 2⁵ = 211111231000291 is a prime.

It is a super-2 number, since 2×211111231000323² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211111231000323.

It is not an unprimeable number, because it can be changed into a prime (211111231000393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663871795440 + ... + 663871795757.

It is an arithmetic number, because the mean of its divisors is an integer number (35849076962346).

Almost surely, 2^{211111231000323} is an apocalyptic number.

211111231000323 is a deficient number, since it is larger than the sum of its proper divisors (75681384698445).

211111231000323 is a wasteful number, since it uses less digits than its factorization.

211111231000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327743591253.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 211111231000323 its reverse (323000132111112), we get a palindrome (534111363111435).

The spelling of 211111231000323 in words is "two hundred eleven trillion, one hundred eleven billion, two hundred thirty-one million, three hundred twenty-three", and thus it is an aban number.