1223950168 has 16 divisors (see below), whose sum is σ = 2622750480. Its totient is φ = 524550048.

The previous prime is 1223950109. The next prime is 1223950201. The reversal of 1223950168 is 8610593221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10928071 + ... + 10928182.

It is an arithmetic number, because the mean of its divisors is an integer number (163921905).

Almost surely, 2^1223950168 is an apocalyptic number.

It is an amenable number.

1223950168 is an abundant number, since it is smaller than the sum of its proper divisors (1398800312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223950168 is a wasteful number, since it uses less digits than its factorization.

1223950168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856266 (or 21856262 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1223950168 is about 34984.9991853651. Note that the first 3 decimals coincide. The cubic root of 1223950168 is about 1069.6817314105.

The spelling of 1223950168 in words is "one billion, two hundred twenty-three million, nine hundred fifty thousand, one hundred sixty-eight".