240223307 has 4 divisors (see below), whose sum is σ = 244161456. Its totient is φ = 236285160.

The previous prime is 240223301. The next prime is 240223391. The reversal of 240223307 is 703322042.

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 240223307 - 2⁸ = 240223051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240223301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968983 + ... + 1969104.

It is an arithmetic number, because the mean of its divisors is an integer number (61040364).

Almost surely, 2^240223307 is an apocalyptic number.

240223307 is a deficient number, since it is larger than the sum of its proper divisors (3938149).

240223307 is an equidigital number, since it uses as much as digits as its factorization.

240223307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938148.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 240223307 is about 15499.1389115654. The cubic root of 240223307 is about 621.6391822126.

Adding to 240223307 its reverse (703322042), we get a palindrome (943545349).

The spelling of 240223307 in words is "two hundred forty million, two hundred twenty-three thousand, three hundred seven".