223040231211 has 32 divisors (see below), whose sum is σ = 357440421888. Its totient is φ = 120950232480.

The previous prime is 223040231201. The next prime is 223040231231. The reversal of 223040231211 is 112132040322.

It is not a de Polignac number, because 223040231211 - 2⁷ = 223040231083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (223040231201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1756695 + ... + 1879376.

It is an arithmetic number, because the mean of its divisors is an integer number (11170013184).

Almost surely, 2^223040231211 is an apocalyptic number.

223040231211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223040231211 is a deficient number, since it is larger than the sum of its proper divisors (134400190677).

223040231211 is a wasteful number, since it uses less digits than its factorization.

223040231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636231.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 223040231211 its reverse (112132040322), we get a palindrome (335172271533).

The spelling of 223040231211 in words is "two hundred twenty-three billion, forty million, two hundred thirty-one thousand, two hundred eleven".