223745167361 has 8 divisors (see below), whose sum is σ = 236911131144. Its totient is φ = 210579701760.

The previous prime is 223745167339. The next prime is 223745167369. The reversal of 223745167361 is 163761547322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47227547761 + 176517619600 = 217319^2 + 420140^2 .

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

It is not a de Polignac number, because 223745167361 - 2²⁶ = 223678058497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223745167369) 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, 1206881 + ... + 1379873.

It is an arithmetic number, because the mean of its divisors is an integer number (29613891393).

Almost surely, 2^223745167361 is an apocalyptic number.

It is an amenable number.

223745167361 is a deficient number, since it is larger than the sum of its proper divisors (13165963783).

223745167361 is a wasteful number, since it uses less digits than its factorization.

223745167361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249091.

The product of its digits is 1270080, while the sum is 47.

The spelling of 223745167361 in words is "two hundred twenty-three billion, seven hundred forty-five million, one hundred sixty-seven thousand, three hundred sixty-one".