123122310315 has 32 divisors (see below), whose sum is σ = 199581212736. Its totient is φ = 64808939520.

The previous prime is 123122310301. The next prime is 123122310371. The reversal of 123122310315 is 513013221321.

It is a happy number.

It is not a de Polignac number, because 123122310315 - 2⁶ = 123122310251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182355 + ... + 528675.

It is an arithmetic number, because the mean of its divisors is an integer number (6236912898).

Almost surely, 2^123122310315 is an apocalyptic number.

123122310315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123122310315 is a deficient number, since it is larger than the sum of its proper divisors (76458902421).

123122310315 is a wasteful number, since it uses less digits than its factorization.

123122310315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346639.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 123122310315 its reverse (513013221321), we get a palindrome (636135531636).

The spelling of 123122310315 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred ten thousand, three hundred fifteen".