123223315 has 4 divisors (see below), whose sum is σ = 147867984. Its totient is φ = 98578648.

The previous prime is 123223313. The next prime is 123223363. The reversal of 123223315 is 513322321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513322321 = 131 ⋅3918491.

It is a cyclic number.

It is not a de Polignac number, because 123223315 - 2¹ = 123223313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123223313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12322327 + ... + 12322336.

It is an arithmetic number, because the mean of its divisors is an integer number (36966996).

Almost surely, 2^123223315 is an apocalyptic number.

123223315 is a deficient number, since it is larger than the sum of its proper divisors (24644669).

123223315 is an equidigital number, since it uses as much as digits as its factorization.

123223315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24644668.

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

The square root of 123223315 is about 11100.5997585716. The cubic root of 123223315 is about 497.6197736923.

Adding to 123223315 its reverse (513322321), we get a palindrome (636545636).

The spelling of 123223315 in words is "one hundred twenty-three million, two hundred twenty-three thousand, three hundred fifteen".