223000073 has 8 divisors (see below), whose sum is σ = 229215240. Its totient is φ = 216794880.

The previous prime is 223000069. The next prime is 223000087. The reversal of 223000073 is 370000322.

It can be written as a sum of positive squares in 4 ways, for example, as 103469584 + 119530489 = 10172^2 + 10933^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 223000073 - 2² = 223000069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78563 + ... + 81351.

It is an arithmetic number, because the mean of its divisors is an integer number (28651905).

Almost surely, 2^223000073 is an apocalyptic number.

It is an amenable number.

223000073 is a deficient number, since it is larger than the sum of its proper divisors (6215167).

223000073 is a wasteful number, since it uses less digits than its factorization.

223000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 223000073 is about 14933.1869672887. The cubic root of 223000073 is about 606.4127656213.

Adding to 223000073 its reverse (370000322), we get a palindrome (593000395).

The spelling of 223000073 in words is "two hundred twenty-three million, seventy-three", and thus it is an aban number.