223401204 has 72 divisors (see below), whose sum is σ = 610052352. Its totient is φ = 68523840.

The previous prime is 223401173. The next prime is 223401229. The reversal of 223401204 is 402104322.

223401204 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216169 + ... + 217199.

Almost surely, 2^223401204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223401204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305026176).

223401204 is an abundant number, since it is smaller than the sum of its proper divisors (386651148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223401204 is a wasteful number, since it uses less digits than its factorization.

223401204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 223401204 is about 14946.6117899677. The cubic root of 223401204 is about 606.7761515292.

Adding to 223401204 its reverse (402104322), we get a palindrome (625505526).

The spelling of 223401204 in words is "two hundred twenty-three million, four hundred one thousand, two hundred four".