223678823552 has 72 divisors (see below), whose sum is σ = 473557003185. Its totient is φ = 105217816576.

The previous prime is 223678823531. The next prime is 223678823561. The reversal of 223678823552 is 255328876322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 204716431936 + 18962391616 = 452456^2 + 137704^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334424.

It is a super-2 number, since 2×223678823552² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223678823494 and 223678823503.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 90962099 + ... + 90964557.

Almost surely, 2^223678823552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223678823552

223678823552 is an abundant number, since it is smaller than the sum of its proper divisors (249878179633).

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

223678823552 is an frugal number, since it uses more digits than its factorization.

223678823552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966 (or 2478 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 53.

The spelling of 223678823552 in words is "two hundred twenty-three billion, six hundred seventy-eight million, eight hundred twenty-three thousand, five hundred fifty-two".