223040135 has 4 divisors (see below), whose sum is σ = 267648168. Its totient is φ = 178432104.

The previous prime is 223040101. The next prime is 223040143. The reversal of 223040135 is 531040322.

It is a happy number.

223040135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 223040135 - 2¹⁴ = 223023751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22304009 + ... + 22304018.

It is an arithmetic number, because the mean of its divisors is an integer number (66912042).

Almost surely, 2^223040135 is an apocalyptic number.

223040135 is a deficient number, since it is larger than the sum of its proper divisors (44608033).

223040135 is an equidigital number, since it uses as much as digits as its factorization.

223040135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44608032.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 223040135 is about 14934.5282818039. The cubic root of 223040135 is about 606.4490774981.

Adding to 223040135 its reverse (531040322), we get a palindrome (754080457).

The spelling of 223040135 in words is "two hundred twenty-three million, forty thousand, one hundred thirty-five".