223052531643 has 6 divisors (see below), whose sum is σ = 322186990164. Its totient is φ = 148701687756.

The previous prime is 223052531641. The next prime is 223052531659. The reversal of 223052531643 is 346135250322.

223052531643 is a `hidden beast` number, since 2 + 2 + 3 + 0 + 5 + 2 + 5 + 3 + 1 + 643 = 666.

It is not a de Polignac number, because 223052531643 - 2¹ = 223052531641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223052531598 and 223052531607.

It is not an unprimeable number, because it can be changed into a prime (223052531641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12391807305 + ... + 12391807322.

It is an arithmetic number, because the mean of its divisors is an integer number (53697831694).

Almost surely, 2^223052531643 is an apocalyptic number.

223052531643 is a deficient number, since it is larger than the sum of its proper divisors (99134458521).

223052531643 is a wasteful number, since it uses less digits than its factorization.

223052531643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24783614633 (or 24783614630 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 223052531643 its reverse (346135250322), we get a palindrome (569187781965).

The spelling of 223052531643 in words is "two hundred twenty-three billion, fifty-two million, five hundred thirty-one thousand, six hundred forty-three".