2023203422440 has 32 divisors (see below), whose sum is σ = 4638098416680. Its totient is φ = 794011908352.

The previous prime is 2023203422413. The next prime is 2023203422489. The reversal of 2023203422440 is 442243023202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1286486766756 + 736716655684 = 1134234^2 + 858322^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2023203422399 and 2023203422408.

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, 477168499 + ... + 477172738.

Almost surely, 2^{2023203422440} is an apocalyptic number.

2023203422440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023203422440 is an abundant number, since it is smaller than the sum of its proper divisors (2614894994240).

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

2023203422440 is a wasteful number, since it uses less digits than its factorization.

2023203422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954341301 (or 954341297 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 2023203422440 its reverse (442243023202), we get a palindrome (2465446445642).

The spelling of 2023203422440 in words is "two trillion, twenty-three billion, two hundred three million, four hundred twenty-two thousand, four hundred forty".