117823345 has 16 divisors (see below), whose sum is σ = 150290640. Its totient is φ = 88367104.

The previous prime is 117823339. The next prime is 117823367. The reversal of 117823345 is 543328711.

It can be written as a sum of positive squares in 8 ways, for example, as 1679616 + 116143729 = 1296^2 + 10777^2 .

It is a cyclic number.

It is not a de Polignac number, because 117823345 - 2¹⁵ = 117790577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117823345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20289 + ... + 25441.

It is an arithmetic number, because the mean of its divisors is an integer number (9393165).

Almost surely, 2^117823345 is an apocalyptic number.

It is an amenable number.

117823345 is a deficient number, since it is larger than the sum of its proper divisors (32467295).

117823345 is a wasteful number, since it uses less digits than its factorization.

117823345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444.

The product of its digits is 20160, while the sum is 34.

The square root of 117823345 is about 10854.6462402052. The cubic root of 117823345 is about 490.2419255168.

The spelling of 117823345 in words is "one hundred seventeen million, eight hundred twenty-three thousand, three hundred forty-five".