223404535612 has 6 divisors (see below), whose sum is σ = 390957937328. Its totient is φ = 111702267804.

The previous prime is 223404535597. The next prime is 223404535621. The reversal of 223404535612 is 216535404322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27925566948 + ... + 27925566955.

Almost surely, 2^223404535612 is an apocalyptic number.

It is an amenable number.

223404535612 is a deficient number, since it is larger than the sum of its proper divisors (167553401716).

223404535612 is a wasteful number, since it uses less digits than its factorization.

223404535612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55851133907 (or 55851133905 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 223404535612 its reverse (216535404322), we get a palindrome (439939939934).

The spelling of 223404535612 in words is "two hundred twenty-three billion, four hundred four million, five hundred thirty-five thousand, six hundred twelve".