2123340424000 has 56 divisors (see below), whose sum is σ = 5258452579848. Its totient is φ = 849336166400.

The previous prime is 2123340423947. The next prime is 2123340424003. The reversal of 2123340424000 is 4240433212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95101504 + 2123245322496 = 9752^2 + 1457136^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123340424003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132700777 + ... + 132716776.

Almost surely, 2^{2123340424000} is an apocalyptic number.

2123340424000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123340424000 is an abundant number, since it is smaller than the sum of its proper divisors (3135112155848).

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

2123340424000 is an equidigital number, since it uses as much as digits as its factorization.

2123340424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265417580 (or 265417560 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2123340424000 its reverse (4240433212), we get a palindrome (2127580857212).

The spelling of 2123340424000 in words is "two trillion, one hundred twenty-three billion, three hundred forty million, four hundred twenty-four thousand".