2123413040 has 120 divisors (see below), whose sum is σ = 5758582320. Its totient is φ = 726050304.

The previous prime is 2123412961. The next prime is 2123413043. The reversal of 2123413040 is 403143212.

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

It is not an unprimeable number, because it can be changed into a prime (2123413043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2872991 + ... + 2873729.

It is an arithmetic number, because the mean of its divisors is an integer number (47988186).

Almost surely, 2^2123413040 is an apocalyptic number.

2123413040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123413040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2879291160).

2123413040 is an abundant number, since it is smaller than the sum of its proper divisors (3635169280).

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

2123413040 is a wasteful number, since it uses less digits than its factorization.

2123413040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1486 counting only the distinct ones).

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

The square root of 2123413040 is about 46080.5060736099. The cubic root of 2123413040 is about 1285.3206747614.

Adding to 2123413040 its reverse (403143212), we get a palindrome (2526556252).

The spelling of 2123413040 in words is "two billion, one hundred twenty-three million, four hundred thirteen thousand, forty".