223240134 has 32 divisors (see below), whose sum is σ = 489906144. Its totient is φ = 67392000.

The previous prime is 223240109. The next prime is 223240163. The reversal of 223240134 is 431042322.

It is a super-3 number, since 3×223240134³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223240134.

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 15 ways as a sum of consecutive naturals, for example, 22867 + ... + 31134.

It is an arithmetic number, because the mean of its divisors is an integer number (15309567).

Almost surely, 2^223240134 is an apocalyptic number.

223240134 is an abundant number, since it is smaller than the sum of its proper divisors (266666010).

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

223240134 is a wasteful number, since it uses less digits than its factorization.

223240134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54072.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223240134 is about 14941.2226407346. Note that the first 3 decimals coincide. The cubic root of 223240134 is about 606.6302899870.

Adding to 223240134 its reverse (431042322), we get a palindrome (654282456).

The spelling of 223240134 in words is "two hundred twenty-three million, two hundred forty thousand, one hundred thirty-four".