223153636056 has 128 divisors (see below), whose sum is σ = 606495563520. Its totient is φ = 68014370304.

The previous prime is 223153636033. The next prime is 223153636091. The reversal of 223153636056 is 650636351322.

It is a super-3 number, since 3×223153636056³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223153635999 and 223153636017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15605646 + ... + 15619938.

It is an arithmetic number, because the mean of its divisors is an integer number (4738246590).

Almost surely, 2^223153636056 is an apocalyptic number.

223153636056 is a gapful number since it is divisible by the number (26) 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 223153636056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303247781760).

223153636056 is an abundant number, since it is smaller than the sum of its proper divisors (383341927464).

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

223153636056 is a wasteful number, since it uses less digits than its factorization.

223153636056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785 (or 14781 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

Adding to 223153636056 its reverse (650636351322), we get a palindrome (873789987378).

The spelling of 223153636056 in words is "two hundred twenty-three billion, one hundred fifty-three million, six hundred thirty-six thousand, fifty-six".