2123805297320 has 32 divisors (see below), whose sum is σ = 5461213622400. Its totient is φ = 728161816128.

The previous prime is 2123805297301. The next prime is 2123805297337. The reversal of 2123805297320 is 237925083212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792509180 + ... + 3792509739.

It is an arithmetic number, because the mean of its divisors is an integer number (170662925700).

Almost surely, 2^{2123805297320} is an apocalyptic number.

2123805297320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123805297320 is an abundant number, since it is smaller than the sum of its proper divisors (3337408325080).

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

2123805297320 is a wasteful number, since it uses less digits than its factorization.

2123805297320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7585018937 (or 7585018933 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 2123805297320 in words is "two trillion, one hundred twenty-three billion, eight hundred five million, two hundred ninety-seven thousand, three hundred twenty".