123014503350440 has 256 divisors, whose sum is σ = 321096042086400. Its totient is φ = 42028083864576.

The previous prime is 123014503350337. The next prime is 123014503350463. The reversal of 123014503350440 is 44053305410321.

It is a self number, because there is not a number n which added to its sum of digits gives 123014503350440.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225871337 + ... + 226415303.

It is an arithmetic number, because the mean of its divisors is an integer number (1254281414400).

Almost surely, 2^{123014503350440} is an apocalyptic number.

123014503350440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123014503350440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160548021043200).

123014503350440 is an abundant number, since it is smaller than the sum of its proper divisors (198081538735960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123014503350440 is a wasteful number, since it uses less digits than its factorization.

123014503350440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544544 (or 544540 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 123014503350440 its reverse (44053305410321), we get a palindrome (167067808760761).

The spelling of 123014503350440 in words is "one hundred twenty-three trillion, fourteen billion, five hundred three million, three hundred fifty thousand, four hundred forty".