240352230343 has 4 divisors (see below), whose sum is σ = 248105528128. Its totient is φ = 232598932560.

The previous prime is 240352230337. The next prime is 240352230373. The reversal of 240352230343 is 343032253042.

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 240352230343 - 2¹³ = 240352222151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 7753297753 = 240352230343 / (2 + 4 + 0 + 3 + 5 + 2 + 2 + 3 + 0 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240352230323) 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, 3876648846 + ... + 3876648907.

It is an arithmetic number, because the mean of its divisors is an integer number (62026382032).

Almost surely, 2^240352230343 is an apocalyptic number.

240352230343 is a deficient number, since it is larger than the sum of its proper divisors (7753297785).

240352230343 is an equidigital number, since it uses as much as digits as its factorization.

240352230343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753297784.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 240352230343 its reverse (343032253042), we get a palindrome (583384483385).

The spelling of 240352230343 in words is "two hundred forty billion, three hundred fifty-two million, two hundred thirty thousand, three hundred forty-three".