31223440014423 has 8 divisors (see below), whose sum is σ = 41714682720000. Its totient is φ = 20773911992568.

The previous prime is 31223440014419. The next prime is 31223440014469. The reversal of 31223440014423 is 32441004432213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31223440014423 - 2² = 31223440014419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223440024423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10428669183 + ... + 10428672176.

It is an arithmetic number, because the mean of its divisors is an integer number (5214335340000).

Almost surely, 2^{31223440014423} is an apocalyptic number.

31223440014423 is a deficient number, since it is larger than the sum of its proper divisors (10491242705577).

31223440014423 is a wasteful number, since it uses less digits than its factorization.

31223440014423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20857341861.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 31223440014423 its reverse (32441004432213), we get a palindrome (63664444446636).

The spelling of 31223440014423 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred forty million, fourteen thousand, four hundred twenty-three".