2123341040 has 20 divisors (see below), whose sum is σ = 4936768104. Its totient is φ = 849336384.

The previous prime is 2123341027. The next prime is 2123341049. The reversal of 2123341040 is 401433212.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123341049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13270802 + ... + 13270961.

Almost surely, 2^2123341040 is an apocalyptic number.

2123341040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123341040 is an abundant number, since it is smaller than the sum of its proper divisors (2813427064).

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

2123341040 is a wasteful number, since it uses less digits than its factorization.

2123341040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26541776 (or 26541770 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2123341040 is about 46079.7248255673. The cubic root of 2123341040 is about 1285.3061471851.

Adding to 2123341040 its reverse (401433212), we get a palindrome (2524774252).

The spelling of 2123341040 in words is "two billion, one hundred twenty-three million, three hundred forty-one thousand, forty".