223431532503 has 16 divisors (see below), whose sum is σ = 302135049216. Its totient is φ = 146841608480.

The previous prime is 223431532481. The next prime is 223431532537. The reversal of 223431532503 is 305235134322.

It is a cyclic number.

It is not a de Polignac number, because 223431532503 - 2²⁴ = 223414755287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223431532703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314225 + ... + 2408837.

It is an arithmetic number, because the mean of its divisors is an integer number (18883440576).

Almost surely, 2^223431532503 is an apocalyptic number.

223431532503 is a deficient number, since it is larger than the sum of its proper divisors (78703516713).

223431532503 is a wasteful number, since it uses less digits than its factorization.

223431532503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105774.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 223431532503 its reverse (305235134322), we get a palindrome (528666666825).

The spelling of 223431532503 in words is "two hundred twenty-three billion, four hundred thirty-one million, five hundred thirty-two thousand, five hundred three".