223242520234 has 4 divisors (see below), whose sum is σ = 334863780354. Its totient is φ = 111621260116.

The previous prime is 223242520229. The next prime is 223242520247. The reversal of 223242520234 is 432025242322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 180187515225 + 43055005009 = 424485^2 + 207497^2 .

It is a super-3 number, since 3×223242520234³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 223242520196 and 223242520205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55810630057 + ... + 55810630060.

Almost surely, 2^223242520234 is an apocalyptic number.

223242520234 is a deficient number, since it is larger than the sum of its proper divisors (111621260120).

223242520234 is a wasteful number, since it uses less digits than its factorization.

223242520234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111621260119.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 223242520234 its reverse (432025242322), we get a palindrome (655267762556).

The spelling of 223242520234 in words is "two hundred twenty-three billion, two hundred forty-two million, five hundred twenty thousand, two hundred thirty-four".