1223503532 has 24 divisors (see below), whose sum is σ = 2305512720. Its totient is φ = 566005760.

The previous prime is 1223503507. The next prime is 1223503543. The reversal of 1223503532 is 2353053221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148469 + ... + 156492.

It is an arithmetic number, because the mean of its divisors is an integer number (96063030).

Almost surely, 2^1223503532 is an apocalyptic number.

It is an amenable number.

1223503532 is a deficient number, since it is larger than the sum of its proper divisors (1082009188).

1223503532 is a wasteful number, since it uses less digits than its factorization.

1223503532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305041 (or 305039 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1223503532 is about 34978.6153528124. The cubic root of 1223503532 is about 1069.5516017948.

Adding to 1223503532 its reverse (2353053221), we get a palindrome (3576556753).

The spelling of 1223503532 in words is "one billion, two hundred twenty-three million, five hundred three thousand, five hundred thirty-two".