123315310 has 32 divisors (see below), whose sum is σ = 230584320. Its totient is φ = 47447712.

The previous prime is 123315307. The next prime is 123315317. The reversal of 123315310 is 13513321.

It is a super-3 number, since 3×123315310³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123315317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25507 + ... + 29953.

It is an arithmetic number, because the mean of its divisors is an integer number (7205760).

Almost surely, 2^123315310 is an apocalyptic number.

123315310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123315310 is a deficient number, since it is larger than the sum of its proper divisors (107269010).

123315310 is a wasteful number, since it uses less digits than its factorization.

123315310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 123315310 is about 11104.7426804947. The cubic root of 123315310 is about 497.7435791141.

Adding to 123315310 its reverse (13513321), we get a palindrome (136828631).

The spelling of 123315310 in words is "one hundred twenty-three million, three hundred fifteen thousand, three hundred ten".