223513523530 has 16 divisors (see below), whose sum is σ = 438899282784. Its totient is φ = 81277644880.

The previous prime is 223513523507. The next prime is 223513523537. The reversal of 223513523530 is 35325315322.

It is not an unprimeable number, because it can be changed into a prime (223513523537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015970452 + ... + 1015970671.

It is an arithmetic number, because the mean of its divisors is an integer number (27431205174).

Almost surely, 2^223513523530 is an apocalyptic number.

223513523530 is a deficient number, since it is larger than the sum of its proper divisors (215385759254).

223513523530 is a wasteful number, since it uses less digits than its factorization.

223513523530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031941141.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 223513523530 its reverse (35325315322), we get a palindrome (258838838852).

The spelling of 223513523530 in words is "two hundred twenty-three billion, five hundred thirteen million, five hundred twenty-three thousand, five hundred thirty".