123013315 has 16 divisors (see below), whose sum is σ = 162144000. Its totient is φ = 89176032.

The previous prime is 123013313. The next prime is 123013321. The reversal of 123013315 is 513310321.

It is a cyclic number.

It is not a de Polignac number, because 123013315 - 2¹ = 123013313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 123013292 and 123013301.

It is not an unprimeable number, because it can be changed into a prime (123013313) 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, 25965 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (10134000).

Almost surely, 2^123013315 is an apocalyptic number.

123013315 is a deficient number, since it is larger than the sum of its proper divisors (39130685).

123013315 is a wasteful number, since it uses less digits than its factorization.

123013315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56346.

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

The square root of 123013315 is about 11091.1367767240. The cubic root of 123013315 is about 497.3369279429.

Adding to 123013315 its reverse (513310321), we get a palindrome (636323636).

The spelling of 123013315 in words is "one hundred twenty-three million, thirteen thousand, three hundred fifteen".