223856716145 has 8 divisors (see below), whose sum is σ = 272411553600. Its totient is φ = 176563043440.

The previous prime is 223856716093. The next prime is 223856716147. The reversal of 223856716145 is 541617658322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223856716145 - 2⁸ = 223856715889 is a prime.

It is a super-2 number, since 2×223856716145² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223856716093 and 223856716102.

It is not an unprimeable number, because it can be changed into a prime (223856716147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315290795 + ... + 315291504.

It is an arithmetic number, because the mean of its divisors is an integer number (34051444200).

Almost surely, 2^223856716145 is an apocalyptic number.

It is an amenable number.

223856716145 is a deficient number, since it is larger than the sum of its proper divisors (48554837455).

223856716145 is an equidigital number, since it uses as much as digits as its factorization.

223856716145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630582375.

The product of its digits is 2419200, while the sum is 50.

The spelling of 223856716145 in words is "two hundred twenty-three billion, eight hundred fifty-six million, seven hundred sixteen thousand, one hundred forty-five".