1223886343680 has 3840 divisors, whose sum is σ = 6286097664000. Its totient is φ = 222396088320.

The previous prime is 1223886343649. The next prime is 1223886343703. The reversal of 1223886343680 is 863436883221.

1223886343680 is a `hidden beast` number, since 1 + 2 + 238 + 8 + 6 + 343 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3840).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 383 ways as a sum of consecutive naturals, for example, 64415070711 + ... + 64415070729.

It is an arithmetic number, because the mean of its divisors is an integer number (1637004600).

Almost surely, 2^{1223886343680} is an apocalyptic number.

1223886343680 is a gapful number since it is divisible by the number (10) 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 1223886343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3143048832000).

1223886343680 is an abundant number, since it is smaller than the sum of its proper divisors (5062211320320).

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

1223886343680 is a wasteful number, since it uses less digits than its factorization.

1223886343680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 1223886343680 in words is "one trillion, two hundred twenty-three billion, eight hundred eighty-six million, three hundred forty-three thousand, six hundred eighty".