221403140223 has 32 divisors (see below), whose sum is σ = 301593438720. Its totient is φ = 144431971200.

The previous prime is 221403140219. The next prime is 221403140239. The reversal of 221403140223 is 322041304122.

It is a happy number.

It is not a de Polignac number, because 221403140223 - 2² = 221403140219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221403140193 and 221403140202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221403140213) 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, 44716398 + ... + 44721348.

It is an arithmetic number, because the mean of its divisors is an integer number (9424794960).

Almost surely, 2^221403140223 is an apocalyptic number.

221403140223 is a deficient number, since it is larger than the sum of its proper divisors (80190298497).

221403140223 is a wasteful number, since it uses less digits than its factorization.

221403140223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 221403140223 its reverse (322041304122), we get a palindrome (543444444345).

The spelling of 221403140223 in words is "two hundred twenty-one billion, four hundred three million, one hundred forty thousand, two hundred twenty-three".