320023141111100 has 72 divisors (see below), whose sum is σ = 793753337764128. Its totient is φ = 109708955136000.

The previous prime is 320023141111067. The next prime is 320023141111129. The reversal of 320023141111100 is 1111141320023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21839501 + ... + 33421700.

Almost surely, 2^{320023141111100} is an apocalyptic number.

It is an amenable number.

320023141111100 is an abundant number, since it is smaller than the sum of its proper divisors (473730196653028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320023141111100 is a wasteful number, since it uses less digits than its factorization.

320023141111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55269495 (or 55269488 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 320023141111100 its reverse (1111141320023), we get a palindrome (321134282431123).

The spelling of 320023141111100 in words is "three hundred twenty trillion, twenty-three billion, one hundred forty-one million, one hundred eleven thousand, one hundred".