123012315335344 has 10 divisors (see below), whose sum is σ = 238336360962260. Its totient is φ = 61506157667664.

The previous prime is 123012315335269. The next prime is 123012315335389. The reversal of 123012315335344 is 443533513210321.

It is a junction number, because it is equal to n+sod(n) for n = 123012315335297 and 123012315335306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3844134854214 + ... + 3844134854245.

It is an arithmetic number, because the mean of its divisors is an integer number (23833636096226).

Almost surely, 2^{123012315335344} is an apocalyptic number.

It is an amenable number.

123012315335344 is a deficient number, since it is larger than the sum of its proper divisors (115324045626916).

123012315335344 is an equidigital number, since it uses as much as digits as its factorization.

123012315335344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688269708467 (or 7688269708461 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 123012315335344 its reverse (443533513210321), we get a palindrome (566545828545665).

The spelling of 123012315335344 in words is "one hundred twenty-three trillion, twelve billion, three hundred fifteen million, three hundred thirty-five thousand, three hundred forty-four".