223115664236445 has 48 divisors (see below), whose sum is σ = 407888010691200. Its totient is φ = 112510647216000.

The previous prime is 223115664236419. The next prime is 223115664236447. The reversal of 223115664236445 is 544632466511322.

223115664236445 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 1 + 566 + 4 + 2 + 36 + 4 + 45 = 666.

It is not a de Polignac number, because 223115664236445 - 2²³ = 223115655847837 is a prime.

It is a super-3 number, since 3×223115664236445³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223115664236391 and 223115664236400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223115664236447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255904681 + ... + 256775070.

It is an arithmetic number, because the mean of its divisors is an integer number (8497666889400).

Almost surely, 2^{223115664236445} is an apocalyptic number.

It is an amenable number.

223115664236445 is a deficient number, since it is larger than the sum of its proper divisors (184772346454755).

223115664236445 is a wasteful number, since it uses less digits than its factorization.

223115664236445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512680290 (or 512680287 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 223115664236445 in words is "two hundred twenty-three trillion, one hundred fifteen billion, six hundred sixty-four million, two hundred thirty-six thousand, four hundred forty-five".