223213421000 has 64 divisors (see below), whose sum is σ = 529676184960. Its totient is φ = 88027800000.

The previous prime is 223213420987. The next prime is 223213421083. The reversal of 223213421000 is 124312322.

223213421000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223213421000³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500926 + ... + 1642925.

It is an arithmetic number, because the mean of its divisors is an integer number (8276190390).

Almost surely, 2^223213421000 is an apocalyptic number.

223213421000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223213421000 is an abundant number, since it is smaller than the sum of its proper divisors (306462763960).

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

223213421000 is a wasteful number, since it uses less digits than its factorization.

223213421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143943 (or 3143929 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 223213421000 its reverse (124312322), we get a palindrome (223337733322).

The spelling of 223213421000 in words is "two hundred twenty-three billion, two hundred thirteen million, four hundred twenty-one thousand".