320200120023 has 24 divisors (see below), whose sum is σ = 504049427712. Its totient is φ = 180240573744.

The previous prime is 320200120003. The next prime is 320200120033. The reversal of 320200120023 is 320021002023.

It is not a de Polignac number, because 320200120023 - 2⁵ = 320200119991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320200119984 and 320200120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320200120003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16245615 + ... + 16265312.

It is an arithmetic number, because the mean of its divisors is an integer number (21002059488).

Almost surely, 2^320200120023 is an apocalyptic number.

320200120023 is a deficient number, since it is larger than the sum of its proper divisors (183849307689).

320200120023 is a wasteful number, since it uses less digits than its factorization.

320200120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32511011 (or 32511004 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 320200120023 its reverse (320021002023), we get a palindrome (640221122046).

The spelling of 320200120023 in words is "three hundred twenty billion, two hundred million, one hundred twenty thousand, twenty-three".