320000001123 has 16 divisors (see below), whose sum is σ = 478034401536. Its totient is φ = 188697788640.

The previous prime is 320000001089. The next prime is 320000001149. The reversal of 320000001123 is 321100000023.

It is a happy number.

It is not a de Polignac number, because 320000001123 - 2⁸ = 320000000867 is a prime.

It is a super-2 number, since 2×320000001123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320000001099 and 320000001108.

It is not an unprimeable number, because it can be changed into a prime (320000009123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131038911 + ... + 131041352.

It is an arithmetic number, because the mean of its divisors is an integer number (29877150096).

Almost surely, 2^320000001123 is an apocalyptic number.

320000001123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320000001123 is a deficient number, since it is larger than the sum of its proper divisors (158034400413).

320000001123 is a wasteful number, since it uses less digits than its factorization.

320000001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262080314.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 320000001123 its reverse (321100000023), we get a palindrome (641100001146).

The spelling of 320000001123 in words is "three hundred twenty billion, one thousand, one hundred twenty-three".