320123110302231 has 32 divisors (see below), whose sum is σ = 468957005207040. Its totient is φ = 193340137503744.

The previous prime is 320123110302221. The next prime is 320123110302263. The reversal of 320123110302231 is 132203011321023.

It is not a de Polignac number, because 320123110302231 - 2⁹ = 320123110301719 is a prime.

It is a super-2 number, since 2×320123110302231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320123110302211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28177630 + ... + 37871163.

It is an arithmetic number, because the mean of its divisors is an integer number (14654906412720).

Almost surely, 2^{320123110302231} is an apocalyptic number.

320123110302231 is a deficient number, since it is larger than the sum of its proper divisors (148833894904809).

320123110302231 is a wasteful number, since it uses less digits than its factorization.

320123110302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66052535.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 320123110302231 its reverse (132203011321023), we get a palindrome (452326121623254).

The spelling of 320123110302231 in words is "three hundred twenty trillion, one hundred twenty-three billion, one hundred ten million, three hundred two thousand, two hundred thirty-one".