240323243 has 4 divisors (see below), whose sum is σ = 242215680. Its totient is φ = 238430808.

The previous prime is 240323231. The next prime is 240323269. The reversal of 240323243 is 342323042.

240323243 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 240323243 - 2⁸ = 240322987 is a prime.

It is a super-2 number, since 2×240323243² = 115510522252074098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240323273) 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, 946028 + ... + 946281.

It is an arithmetic number, because the mean of its divisors is an integer number (60553920).

Almost surely, 2^240323243 is an apocalyptic number.

240323243 is a deficient number, since it is larger than the sum of its proper divisors (1892437).

240323243 is a wasteful number, since it uses less digits than its factorization.

240323243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892436.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 240323243 is about 15502.3624973744. The cubic root of 240323243 is about 621.7253735724.

Adding to 240323243 its reverse (342323042), we get a palindrome (582646285).

The spelling of 240323243 in words is "two hundred forty million, three hundred twenty-three thousand, two hundred forty-three".