223033440421 has 8 divisors (see below), whose sum is σ = 243325231488. Its totient is φ = 202744320000.

The previous prime is 223033440389. The next prime is 223033440437. The reversal of 223033440421 is 124044330322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223033440421 - 2⁵ = 223033440389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223033440421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223033440221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491005 + ... + 828946.

It is an arithmetic number, because the mean of its divisors is an integer number (30415653936).

Almost surely, 2^223033440421 is an apocalyptic number.

It is an amenable number.

223033440421 is a deficient number, since it is larger than the sum of its proper divisors (20291791067).

223033440421 is a wasteful number, since it uses less digits than its factorization.

223033440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335323.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 223033440421 its reverse (124044330322), we get a palindrome (347077770743).

The spelling of 223033440421 in words is "two hundred twenty-three billion, thirty-three million, four hundred forty thousand, four hundred twenty-one".