240345923 has 4 divisors (see below), whose sum is σ = 240393120. Its totient is φ = 240298728.

The previous prime is 240345871. The next prime is 240345943. The reversal of 240345923 is 329543042.

240345923 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 240345923 - 2¹⁰ = 240344899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240345923.

It is not an unprimeable number, because it can be changed into a prime (240345943) 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, 14888 + ... + 26501.

It is an arithmetic number, because the mean of its divisors is an integer number (60098280).

Almost surely, 2^240345923 is an apocalyptic number.

240345923 is a deficient number, since it is larger than the sum of its proper divisors (47197).

240345923 is an equidigital number, since it uses as much as digits as its factorization.

240345923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47196.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 240345923 is about 15503.0939815251. The cubic root of 240345923 is about 621.7449309649.

Adding to 240345923 its reverse (329543042), we get a palindrome (569888965).

The spelling of 240345923 in words is "two hundred forty million, three hundred forty-five thousand, nine hundred twenty-three".