223787823656 has 16 divisors (see below), whose sum is σ = 429360360000. Its totient is φ = 109291727664.

The previous prime is 223787823653. The next prime is 223787823689. The reversal of 223787823656 is 656328787322.

It is a junction number, because it is equal to n+sod(n) for n = 223787823595 and 223787823604.

It is not an unprimeable number, because it can be changed into a prime (223787823653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325272656 + ... + 325273343.

It is an arithmetic number, because the mean of its divisors is an integer number (26835022500).

Almost surely, 2^223787823656 is an apocalyptic number.

It is an amenable number.

223787823656 is a deficient number, since it is larger than the sum of its proper divisors (205572536344).

223787823656 is a wasteful number, since it uses less digits than its factorization.

223787823656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650546048 (or 650546044 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 59.

The spelling of 223787823656 in words is "two hundred twenty-three billion, seven hundred eighty-seven million, eight hundred twenty-three thousand, six hundred fifty-six".