223310423420 has 288 divisors, whose sum is σ = 609769036800. Its totient is φ = 68069320704.

The previous prime is 223310423417. The next prime is 223310423431. The reversal of 223310423420 is 24324013322.

It is a self number, because there is not a number n which added to its sum of digits gives 223310423420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 138960257 + ... + 138961863.

It is an arithmetic number, because the mean of its divisors is an integer number (2117253600).

Almost surely, 2^223310423420 is an apocalyptic number.

223310423420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223310423420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304884518400).

223310423420 is an abundant number, since it is smaller than the sum of its proper divisors (386458613380).

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

223310423420 is a wasteful number, since it uses less digits than its factorization.

223310423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 223310423420 its reverse (24324013322), we get a palindrome (247634436742).

The spelling of 223310423420 in words is "two hundred twenty-three billion, three hundred ten million, four hundred twenty-three thousand, four hundred twenty".