2023343400320 has 128 divisors (see below), whose sum is σ = 5458746362400. Its totient is φ = 710390087680.

The previous prime is 2023343400317. The next prime is 2023343400359. The reversal of 2023343400320 is 230043433202.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2023343400320² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2023343400320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4751129 + ... + 5159448.

Almost surely, 2^{2023343400320} is an apocalyptic number.

2023343400320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023343400320 is an abundant number, since it is smaller than the sum of its proper divisors (3435402962080).

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

2023343400320 is a wasteful number, since it uses less digits than its factorization.

2023343400320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910636 (or 9910624 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 2023343400320 its reverse (230043433202), we get a palindrome (2253386833522).

The spelling of 2023343400320 in words is "two trillion, twenty-three billion, three hundred forty-three million, four hundred thousand, three hundred twenty".