320131234423 has 32 divisors (see below), whose sum is σ = 430552184832. Its totient is φ = 229875494400.

The previous prime is 320131234417. The next prime is 320131234427. The reversal of 320131234423 is 324432131023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320131234423 - 2⁹ = 320131233911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320131234391 and 320131234400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320131234427) 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, 323938 + ... + 863248.

It is an arithmetic number, because the mean of its divisors is an integer number (13454755776).

Almost surely, 2^320131234423 is an apocalyptic number.

320131234423 is a deficient number, since it is larger than the sum of its proper divisors (110420950409).

320131234423 is a wasteful number, since it uses less digits than its factorization.

320131234423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539935.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 320131234423 its reverse (324432131023), we get a palindrome (644563365446).

It can be divided in two parts, 32013 and 1234423, that added together give a triangular number (1266436 = T₁₅₉₁).

The spelling of 320131234423 in words is "three hundred twenty billion, one hundred thirty-one million, two hundred thirty-four thousand, four hundred twenty-three".