123313965 has 8 divisors (see below), whose sum is σ = 197302368. Its totient is φ = 65767440.

The previous prime is 123313963. The next prime is 123313973. The reversal of 123313965 is 569313321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123313965 - 2¹ = 123313963 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4110451 + ... + 4110480.

It is an arithmetic number, because the mean of its divisors is an integer number (24662796).

Almost surely, 2^123313965 is an apocalyptic number.

123313965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123313965 is a deficient number, since it is larger than the sum of its proper divisors (73988403).

123313965 is an equidigital number, since it uses as much as digits as its factorization.

123313965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220939.

The product of its digits is 14580, while the sum is 33.

The square root of 123313965 is about 11104.6821206192. The cubic root of 123313965 is about 497.7417694779.

The spelling of 123313965 in words is "one hundred twenty-three million, three hundred thirteen thousand, nine hundred sixty-five".