123043315 has 16 divisors (see below), whose sum is σ = 152865792. Its totient is φ = 95001984.

The previous prime is 123043223. The next prime is 123043363. The reversal of 123043315 is 513340321.

It is a cyclic number.

It is not a de Polignac number, because 123043315 - 2⁷ = 123043187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20877 + ... + 26113.

It is an arithmetic number, because the mean of its divisors is an integer number (9554112).

Almost surely, 2^123043315 is an apocalyptic number.

123043315 is a deficient number, since it is larger than the sum of its proper divisors (29822477).

123043315 is a wasteful number, since it uses less digits than its factorization.

123043315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 123043315 is about 11092.4891255299. The cubic root of 123043315 is about 497.3773541768.

Adding to 123043315 its reverse (513340321), we get a palindrome (636383636).

The spelling of 123043315 in words is "one hundred twenty-three million, forty-three thousand, three hundred fifteen".