123306315 has 32 divisors (see below), whose sum is σ = 218771712. Its totient is φ = 58800000.

The previous prime is 123306307. The next prime is 123306317. The reversal of 123306315 is 513603321.

It is a happy number.

It is not a de Polignac number, because 123306315 - 2³ = 123306307 is a prime.

It is a super-4 number, since 4×123306315⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (123306317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3940 + ... + 16190.

It is an arithmetic number, because the mean of its divisors is an integer number (6836616).

Almost surely, 2^123306315 is an apocalyptic number.

123306315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123306315 is a deficient number, since it is larger than the sum of its proper divisors (95465397).

123306315 is a wasteful number, since it uses less digits than its factorization.

123306315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 123306315 is about 11104.3376659754. The cubic root of 123306315 is about 497.7314765013.

Adding to 123306315 its reverse (513603321), we get a palindrome (636909636).

The spelling of 123306315 in words is "one hundred twenty-three million, three hundred six thousand, three hundred fifteen".