117223928 has 16 divisors (see below), whose sum is σ = 219916680. Its totient is φ = 58579488.

The previous prime is 117223889. The next prime is 117223949. The reversal of 117223928 is 829322711.

It is a Cunningham number, because it is equal to 10827²-1.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18950 + ... + 24362.

Almost surely, 2^117223928 is an apocalyptic number.

It is an amenable number.

117223928 is a deficient number, since it is larger than the sum of its proper divisors (102692752).

117223928 is a wasteful number, since it uses less digits than its factorization.

117223928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126 (or 8122 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 117223928 is about 10826.9999538192. Note that the first 4 decimals coincide. The cubic root of 117223928 is about 489.4091559546.

The spelling of 117223928 in words is "one hundred seventeen million, two hundred twenty-three thousand, nine hundred twenty-eight".