123310241515040 has 96 divisors (see below), whose sum is σ = 303989873322240. Its totient is φ = 47179055176704.

The previous prime is 123310241515033. The next prime is 123310241515073. The reversal of 123310241515040 is 40515142013321.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 123310241514988 and 123310241515006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668339282 + ... + 668523758.

It is an arithmetic number, because the mean of its divisors is an integer number (3166561180440).

Almost surely, 2^{123310241515040} is an apocalyptic number.

123310241515040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123310241515040 is an abundant number, since it is smaller than the sum of its proper divisors (180679631807200).

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

123310241515040 is a wasteful number, since it uses less digits than its factorization.

123310241515040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366154 (or 366146 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 123310241515040 its reverse (40515142013321), we get a palindrome (163825383528361).

The spelling of 123310241515040 in words is "one hundred twenty-three trillion, three hundred ten billion, two hundred forty-one million, five hundred fifteen thousand, forty".