223021344342 has 32 divisors (see below), whose sum is σ = 458077939200. Its totient is φ = 72352246688.

The previous prime is 223021344331. The next prime is 223021344361. The reversal of 223021344342 is 243443120322.

It is a super-2 number, since 2×223021344342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 2158617 + ... + 2259572.

It is an arithmetic number, because the mean of its divisors is an integer number (14314935600).

Almost surely, 2^223021344342 is an apocalyptic number.

223021344342 is an abundant number, since it is smaller than the sum of its proper divisors (235056594858).

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

223021344342 is a wasteful number, since it uses less digits than its factorization.

223021344342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418420.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 223021344342 its reverse (243443120322), we get a palindrome (466464464664).

The spelling of 223021344342 in words is "two hundred twenty-three billion, twenty-one million, three hundred forty-four thousand, three hundred forty-two".