223400223342 has 128 divisors (see below), whose sum is σ = 507841488000. Its totient is φ = 72782696448.

The previous prime is 223400223337. The next prime is 223400223359. The reversal of 223400223342 is 243322004322.

It is a happy number.

223400223342 is a `hidden beast` number, since 2 + 2 + 3 + 400 + 223 + 34 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153750288 + ... + 153751740.

It is an arithmetic number, because the mean of its divisors is an integer number (3967511625).

Almost surely, 2^223400223342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223400223342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253920744000).

223400223342 is an abundant number, since it is smaller than the sum of its proper divisors (284441264658).

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

223400223342 is a wasteful number, since it uses less digits than its factorization.

223400223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 223400223342 its reverse (243322004322), we get a palindrome (466722227664).

The spelling of 223400223342 in words is "two hundred twenty-three billion, four hundred million, two hundred twenty-three thousand, three hundred forty-two".