123245032534320 has 120 divisors (see below), whose sum is σ = 395688362533776. Its totient is φ = 31732054301696.

The previous prime is 123245032534303. The next prime is 123245032534321. The reversal of 123245032534320 is 23435230542321.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (123245032534321) 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 23 ways as a sum of consecutive naturals, for example, 305101947 + ... + 305505626.

Almost surely, 2^{123245032534320} is an apocalyptic number.

123245032534320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123245032534320 is an abundant number, since it is smaller than the sum of its proper divisors (272443329999456).

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

123245032534320 is a wasteful number, since it uses less digits than its factorization.

123245032534320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610607647 (or 610607612 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 123245032534320 in words is "one hundred twenty-three trillion, two hundred forty-five billion, thirty-two million, five hundred thirty-four thousand, three hundred twenty".