2123002433440 has 96 divisors (see below), whose sum is σ = 5743369618560. Its totient is φ = 726456321024.

The previous prime is 2123002433417. The next prime is 2123002433443. The reversal of 2123002433440 is 443342003212.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2123002433399 and 2123002433408.

It is not an unprimeable number, because it can be changed into a prime (2123002433443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291942 + ... + 2432101.

It is an arithmetic number, because the mean of its divisors is an integer number (59826766860).

Almost surely, 2^{2123002433440} is an apocalyptic number.

2123002433440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123002433440 is an abundant number, since it is smaller than the sum of its proper divisors (3620367185120).

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

2123002433440 is a wasteful number, since it uses less digits than its factorization.

2123002433440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724574 (or 3724566 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2123002433440 its reverse (443342003212), we get a palindrome (2566344436652).

The spelling of 2123002433440 in words is "two trillion, one hundred twenty-three billion, two million, four hundred thirty-three thousand, four hundred forty".