123401325315 has 16 divisors (see below), whose sum is σ = 197452753056. Its totient is φ = 65810496000.

The previous prime is 123401325301. The next prime is 123401325319. The reversal of 123401325315 is 513523104321.

It is not a de Polignac number, because 123401325315 - 2⁸ = 123401325059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123401325319) by changing a digit.

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, 79515 + ... + 503115.

It is an arithmetic number, because the mean of its divisors is an integer number (12340797066).

Almost surely, 2^123401325315 is an apocalyptic number.

123401325315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123401325315 is a deficient number, since it is larger than the sum of its proper divisors (74051427741).

123401325315 is a wasteful number, since it uses less digits than its factorization.

123401325315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443030.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 123401325315 its reverse (513523104321), we get a palindrome (636924429636).

The spelling of 123401325315 in words is "one hundred twenty-three billion, four hundred one million, three hundred twenty-five thousand, three hundred fifteen".