21223713884304 has 40 divisors (see below), whose sum is σ = 54828092449120. Its totient is φ = 7074550015488.

The previous prime is 21223713884239. The next prime is 21223713884327. The reversal of 21223713884304 is 40348831732212.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 31299384 + ... + 31970280.

It is an arithmetic number, because the mean of its divisors is an integer number (1370702311228).

Almost surely, 2^{21223713884304} is an apocalyptic number.

21223713884304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21223713884304 is an abundant number, since it is smaller than the sum of its proper divisors (33604378564816).

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

21223713884304 is a wasteful number, since it uses less digits than its factorization.

21223713884304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329967 (or 1329961 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 21223713884304 in words is "twenty-one trillion, two hundred twenty-three billion, seven hundred thirteen million, eight hundred eighty-four thousand, three hundred four".