2023224131440 has 40 divisors (see below), whose sum is σ = 4866202873440. Its totient is φ = 781383111936.

The previous prime is 2023224131387. The next prime is 2023224131479. The reversal of 2023224131440 is 441314223202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2023224131440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2023224131399 and 2023224131408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436037364 + ... + 436042003.

It is an arithmetic number, because the mean of its divisors is an integer number (121655071836).

Almost surely, 2^{2023224131440} is an apocalyptic number.

2023224131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023224131440 is an abundant number, since it is smaller than the sum of its proper divisors (2842978742000).

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

2023224131440 is a wasteful number, since it uses less digits than its factorization.

2023224131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872079409 (or 872079403 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2023224131440 its reverse (441314223202), we get a palindrome (2464538354642).

The spelling of 2023224131440 in words is "two trillion, twenty-three billion, two hundred twenty-four million, one hundred thirty-one thousand, four hundred forty".