211223221301323 has 16 divisors (see below), whose sum is σ = 263351453331456. Its totient is φ = 164584387851840.

The previous prime is 211223221301321. The next prime is 211223221301329. The reversal of 211223221301323 is 323103122322112.

It is not a de Polignac number, because 211223221301323 - 2¹ = 211223221301321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211223221301291 and 211223221301300.

It is not an unprimeable number, because it can be changed into a prime (211223221301321) 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, 40308786 + ... + 45246487.

It is an arithmetic number, because the mean of its divisors is an integer number (16459465833216).

Almost surely, 2^{211223221301323} is an apocalyptic number.

211223221301323 is a deficient number, since it is larger than the sum of its proper divisors (52128232030133).

211223221301323 is a wasteful number, since it uses less digits than its factorization.

211223221301323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85587354.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 211223221301323 its reverse (323103122322112), we get a palindrome (534326343623435).

The spelling of 211223221301323 in words is "two hundred eleven trillion, two hundred twenty-three billion, two hundred twenty-one million, three hundred one thousand, three hundred twenty-three".