123456222315 has 12 divisors (see below), whose sum is σ = 213990785424. Its totient is φ = 65843318544.

The previous prime is 123456222311. The next prime is 123456222367. The reversal of 123456222315 is 513222654321.

123456222315 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 5 + 622 + 23 + 1 + 5 = 666.

It is not a de Polignac number, because 123456222315 - 2² = 123456222311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123456222315.

It is not an unprimeable number, because it can be changed into a prime (123456222311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1371735759 + ... + 1371735848.

It is an arithmetic number, because the mean of its divisors is an integer number (17832565452).

Almost surely, 2^123456222315 is an apocalyptic number.

123456222315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123456222315 is a deficient number, since it is larger than the sum of its proper divisors (90534563109).

123456222315 is a wasteful number, since it uses less digits than its factorization.

123456222315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743471618 (or 2743471615 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 123456222315 its reverse (513222654321), we get a palindrome (636678876636).

The spelling of 123456222315 in words is "one hundred twenty-three billion, four hundred fifty-six million, two hundred twenty-two thousand, three hundred fifteen".