431161321000623 has 64 divisors (see below), whose sum is σ = 600476246092800. Its totient is φ = 274987144995840.

The previous prime is 431161321000621. The next prime is 431161321000637. The reversal of 431161321000623 is 326000123161134.

It is not a de Polignac number, because 431161321000623 - 2¹ = 431161321000621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431161321000621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 512303440 + ... + 513144362.

It is an arithmetic number, because the mean of its divisors is an integer number (9382441345200).

Almost surely, 2^{431161321000623} is an apocalyptic number.

431161321000623 is a deficient number, since it is larger than the sum of its proper divisors (169314925092177).

431161321000623 is a wasteful number, since it uses less digits than its factorization.

431161321000623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841472.

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 431161321000623 its reverse (326000123161134), we get a palindrome (757161444161757).

The spelling of 431161321000623 in words is "four hundred thirty-one trillion, one hundred sixty-one billion, three hundred twenty-one million, six hundred twenty-three", and thus it is an aban number.