223120401443 has 4 divisors (see below), whose sum is σ = 223123081080. Its totient is φ = 223117721808.

The previous prime is 223120401409. The next prime is 223120401473. The reversal of 223120401443 is 344104021322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223120401443 - 2⁸ = 223120401187 is a prime.

It is a super-3 number, since 3×223120401443³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223120401473) 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 3 ways as a sum of consecutive naturals, for example, 1210778 + ... + 1382831.

It is an arithmetic number, because the mean of its divisors is an integer number (55780770270).

Almost surely, 2^223120401443 is an apocalyptic number.

223120401443 is a deficient number, since it is larger than the sum of its proper divisors (2679637).

223120401443 is an equidigital number, since it uses as much as digits as its factorization.

223120401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679636.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 223120401443 its reverse (344104021322), we get a palindrome (567224422765).

The spelling of 223120401443 in words is "two hundred twenty-three billion, one hundred twenty million, four hundred one thousand, four hundred forty-three".