2123320364446 has 8 divisors (see below), whose sum is σ = 3229839427824. Its totient is φ = 1046707221840.

The previous prime is 2123320364443. The next prime is 2123320364461. The reversal of 2123320364446 is 6444630233212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2123320364399 and 2123320364408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123320364443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7476480015 + ... + 7476480298.

It is an arithmetic number, because the mean of its divisors is an integer number (403729928478).

Almost surely, 2^{2123320364446} is an apocalyptic number.

2123320364446 is a deficient number, since it is larger than the sum of its proper divisors (1106519063378).

2123320364446 is a wasteful number, since it uses less digits than its factorization.

2123320364446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14952960386.

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 2123320364446 its reverse (6444630233212), we get a palindrome (8567950597658).

The spelling of 2123320364446 in words is "two trillion, one hundred twenty-three billion, three hundred twenty million, three hundred sixty-four thousand, four hundred forty-six".