223048720613 has 4 divisors (see below), whose sum is σ = 223052792940. Its totient is φ = 223044648288.

The previous prime is 223048720591. The next prime is 223048720627. The reversal of 223048720613 is 316027840322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30066866404 + 192981854209 = 173398^2 + 439297^2 .

It is a cyclic number.

It is not a de Polignac number, because 223048720613 - 2⁶ = 223048720549 is a prime.

It is a super-2 number, since 2×223048720613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223048720663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952870 + ... + 2063927.

It is an arithmetic number, because the mean of its divisors is an integer number (55763198235).

Almost surely, 2^223048720613 is an apocalyptic number.

It is an amenable number.

223048720613 is a deficient number, since it is larger than the sum of its proper divisors (4072327).

223048720613 is an equidigital number, since it uses as much as digits as its factorization.

223048720613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072326.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 223048720613 in words is "two hundred twenty-three billion, forty-eight million, seven hundred twenty thousand, six hundred thirteen".