223512364525 has 48 divisors (see below), whose sum is σ = 292447853568. Its totient is φ = 169221312000.

The previous prime is 223512364519. The next prime is 223512364561. The reversal of 223512364525 is 525463215322.

It is not a de Polignac number, because 223512364525 - 2¹¹ = 223512362477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12765577 + ... + 12783073.

It is an arithmetic number, because the mean of its divisors is an integer number (6092663616).

Almost surely, 2^223512364525 is an apocalyptic number.

223512364525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223512364525 is a deficient number, since it is larger than the sum of its proper divisors (68935489043).

223512364525 is a wasteful number, since it uses less digits than its factorization.

223512364525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17902 (or 17897 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

Adding to 223512364525 its reverse (525463215322), we get a palindrome (748975579847).

The spelling of 223512364525 in words is "two hundred twenty-three billion, five hundred twelve million, three hundred sixty-four thousand, five hundred twenty-five".