223240420234 has 8 divisors (see below), whose sum is σ = 360619140420. Its totient is φ = 103034040096.

The previous prime is 223240420223. The next prime is 223240420261. The reversal of 223240420234 is 432024042322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 194441312025 + 28799108209 = 440955^2 + 169703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×223240420234³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293084979 + ... + 4293085030.

Almost surely, 2^223240420234 is an apocalyptic number.

223240420234 is a deficient number, since it is larger than the sum of its proper divisors (137378720186).

223240420234 is a wasteful number, since it uses less digits than its factorization.

223240420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586170024.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 223240420234 its reverse (432024042322), we get a palindrome (655264462556).

The spelling of 223240420234 in words is "two hundred twenty-three billion, two hundred forty million, four hundred twenty thousand, two hundred thirty-four".