1223913608 has 16 divisors (see below), whose sum is σ = 2308582080. Its totient is φ = 608291728.

The previous prime is 1223913569. The next prime is 1223913611. The reversal of 1223913608 is 8063193221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456716 + ... + 459387.

It is an arithmetic number, because the mean of its divisors is an integer number (144286380).

Almost surely, 2^1223913608 is an apocalyptic number.

It is an amenable number.

1223913608 is a deficient number, since it is larger than the sum of its proper divisors (1084668472).

1223913608 is a wasteful number, since it uses less digits than its factorization.

1223913608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916276 (or 916272 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1223913608 is about 34984.4766718040. The cubic root of 1223913608 is about 1069.6710806627.

The spelling of 1223913608 in words is "one billion, two hundred twenty-three million, nine hundred thirteen thousand, six hundred eight".