320123155315610 has 32 divisors (see below), whose sum is σ = 586151699374080. Its totient is φ = 125843802545088.

The previous prime is 320123155315597. The next prime is 320123155315651. The reversal of 320123155315610 is 16513551321023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73602137 + ... + 77830076.

It is an arithmetic number, because the mean of its divisors is an integer number (18317240605440).

Almost surely, 2^{320123155315610} is an apocalyptic number.

320123155315610 is a deficient number, since it is larger than the sum of its proper divisors (266028544058470).

320123155315610 is a wasteful number, since it uses less digits than its factorization.

320123155315610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151435862.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 320123155315610 in words is "three hundred twenty trillion, one hundred twenty-three billion, one hundred fifty-five million, three hundred fifteen thousand, six hundred ten".