117445923 has 48 divisors (see below), whose sum is σ = 203374080. Its totient is φ = 65616480.

The previous prime is 117445919. The next prime is 117445963. The reversal of 117445923 is 329544711.

It is not a de Polignac number, because 117445923 - 2² = 117445919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117445963) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703186 + ... + 703352.

It is an arithmetic number, because the mean of its divisors is an integer number (4236960).

Almost surely, 2^117445923 is an apocalyptic number.

117445923 is a deficient number, since it is larger than the sum of its proper divisors (85928157).

117445923 is an equidigital number, since it uses as much as digits as its factorization.

117445923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 238 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 117445923 is about 10837.2470212688. The cubic root of 117445923 is about 489.7179037100.

It can be divided in two parts, 117 and 445923, that added together give a triangular number (446040 = T₉₄₄).

The spelling of 117445923 in words is "one hundred seventeen million, four hundred forty-five thousand, nine hundred twenty-three".