2102323340 has 24 divisors (see below), whose sum is σ = 4754485680. Its totient is φ = 776242368.

The previous prime is 2102323297. The next prime is 2102323367. The reversal of 2102323340 is 433232012.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4042670 + ... + 4043189.

It is an arithmetic number, because the mean of its divisors is an integer number (198103570).

Almost surely, 2^2102323340 is an apocalyptic number.

2102323340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102323340 is an abundant number, since it is smaller than the sum of its proper divisors (2652162340).

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

2102323340 is a wasteful number, since it uses less digits than its factorization.

2102323340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085881 (or 8085879 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2102323340 is about 45851.0996596592. The cubic root of 2102323340 is about 1281.0512482029.

Adding to 2102323340 its reverse (433232012), we get a palindrome (2535555352).

The spelling of 2102323340 in words is "two billion, one hundred two million, three hundred twenty-three thousand, three hundred forty".