2321301212340 has 144 divisors (see below), whose sum is σ = 7318486728000. Its totient is φ = 549014259200.

The previous prime is 2321301212327. The next prime is 2321301212369. The reversal of 2321301212340 is 432121031232.

It is a super-2 number, since 2×2321301212340² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2321301212340.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3601590 + ... + 4196909.

It is an arithmetic number, because the mean of its divisors is an integer number (50822824500).

Almost surely, 2^{2321301212340} is an apocalyptic number.

2321301212340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321301212340 is an abundant number, since it is smaller than the sum of its proper divisors (4997185515660).

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

2321301212340 is a wasteful number, since it uses less digits than its factorization.

2321301212340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798574 (or 7798561 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2321301212340 its reverse (432121031232), we get a palindrome (2753422243572).

The spelling of 2321301212340 in words is "two trillion, three hundred twenty-one billion, three hundred one million, two hundred twelve thousand, three hundred forty".