320002355123 has 12 divisors (see below), whose sum is σ = 370250661480. Its totient is φ = 275600112480.

The previous prime is 320002355119. The next prime is 320002355143. The reversal of 320002355123 is 321553200023.

It is not a de Polignac number, because 320002355123 - 2² = 320002355119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320002355092 and 320002355101.

It is not an unprimeable number, because it can be changed into a prime (320002355143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69593690 + ... + 69598287.

It is an arithmetic number, because the mean of its divisors is an integer number (30854221790).

Almost surely, 2^320002355123 is an apocalyptic number.

320002355123 is a deficient number, since it is larger than the sum of its proper divisors (50248306357).

320002355123 is a wasteful number, since it uses less digits than its factorization.

320002355123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139192018 (or 139192007 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 320002355123 its reverse (321553200023), we get a palindrome (641555555146).

The spelling of 320002355123 in words is "three hundred twenty billion, two million, three hundred fifty-five thousand, one hundred twenty-three".