223420535432 has 16 divisors (see below), whose sum is σ = 429130907100. Its totient is φ = 108985626880.

The previous prime is 223420535417. The next prime is 223420535449. The reversal of 223420535432 is 234535024322.

It can be written as a sum of positive squares in 2 ways, for example, as 223345088836 + 75446596 = 472594^2 + 8686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223420535392 and 223420535401.

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, 340579757 + ... + 340580412.

Almost surely, 2^223420535432 is an apocalyptic number.

It is an amenable number.

223420535432 is a deficient number, since it is larger than the sum of its proper divisors (205710371668).

223420535432 is a wasteful number, since it uses less digits than its factorization.

223420535432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681160216 (or 681160212 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 223420535432 its reverse (234535024322), we get a palindrome (457955559754).

The spelling of 223420535432 in words is "two hundred twenty-three billion, four hundred twenty million, five hundred thirty-five thousand, four hundred thirty-two".