223385139 has 6 divisors (see below), whose sum is σ = 322667436. Its totient is φ = 148923420.

The previous prime is 223385137. The next prime is 223385153. The reversal of 223385139 is 931583322.

It is not a de Polignac number, because 223385139 - 2¹ = 223385137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223385137) 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 5 ways as a sum of consecutive naturals, for example, 12410277 + ... + 12410294.

It is an arithmetic number, because the mean of its divisors is an integer number (53777906).

Almost surely, 2^223385139 is an apocalyptic number.

223385139 is a deficient number, since it is larger than the sum of its proper divisors (99282297).

223385139 is a wasteful number, since it uses less digits than its factorization.

223385139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24820577 (or 24820574 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 223385139 is about 14946.0743675388. The cubic root of 223385139 is about 606.7616065575.

The spelling of 223385139 in words is "two hundred twenty-three million, three hundred eighty-five thousand, one hundred thirty-nine".