223743921056 has 12 divisors (see below), whose sum is σ = 440495844642. Its totient is φ = 111871960512.

The previous prime is 223743921031. The next prime is 223743921061. The reversal of 223743921056 is 650129347322.

It can be written as a sum of positive squares in only one way, i.e., 216891392656 + 6852528400 = 465716^2 + 82780^2 .

It is a super-2 number, since 2×223743921056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223743920998 and 223743921016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495998735 + ... + 3495998798.

Almost surely, 2^223743921056 is an apocalyptic number.

It is an amenable number.

223743921056 is a deficient number, since it is larger than the sum of its proper divisors (216751923586).

223743921056 is an equidigital number, since it uses as much as digits as its factorization.

223743921056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991997543 (or 6991997535 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 223743921056 in words is "two hundred twenty-three billion, seven hundred forty-three million, nine hundred twenty-one thousand, fifty-six".