211233023019 has 20 divisors (see below), whose sum is σ = 316045775760. Its totient is φ = 140598808560.

The previous prime is 211233022961. The next prime is 211233023039. The reversal of 211233023019 is 910320332112.

211233023019 is a `hidden beast` number, since 21 + 1 + 2 + 330 + 2 + 301 + 9 = 666.

It is not a de Polignac number, because 211233023019 - 2¹⁵ = 211232990251 is a prime.

It is a super-2 number, since 2×211233023019² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 211233022983 and 211233023001.

It is not an unprimeable number, because it can be changed into a prime (211233023039) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2015304 + ... + 2117525.

It is an arithmetic number, because the mean of its divisors is an integer number (15802288788).

Almost surely, 2^211233023019 is an apocalyptic number.

211233023019 is a deficient number, since it is larger than the sum of its proper divisors (104812752741).

211233023019 is an equidigital number, since it uses as much as digits as its factorization.

211233023019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133472 (or 4133463 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 211233023019 in words is "two hundred eleven billion, two hundred thirty-three million, twenty-three thousand, nineteen".