320123122134 has 16 divisors (see below), whose sum is σ = 640251822000. Its totient is φ = 106706777760.

The previous prime is 320123122117. The next prime is 320123122159. The reversal of 320123122134 is 431221321023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111464 + ... + 1369524.

It is an arithmetic number, because the mean of its divisors is an integer number (40015738875).

Almost surely, 2^320123122134 is an apocalyptic number.

320123122134 is an abundant number, since it is smaller than the sum of its proper divisors (320128699866).

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

320123122134 is a wasteful number, since it uses less digits than its factorization.

320123122134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464815.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 320123122134 its reverse (431221321023), we get a palindrome (751344443157).

The spelling of 320123122134 in words is "three hundred twenty billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-four".