240142343 has 4 divisors (see below), whose sum is σ = 274448400. Its totient is φ = 205836288.

The previous prime is 240142327. The next prime is 240142351. The reversal of 240142343 is 343241042.

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

It is not a de Polignac number, because 240142343 - 2⁴ = 240142327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240142303) 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, 17153018 + ... + 17153031.

It is an arithmetic number, because the mean of its divisors is an integer number (68612100).

Almost surely, 2^240142343 is an apocalyptic number.

240142343 is a deficient number, since it is larger than the sum of its proper divisors (34306057).

240142343 is an equidigital number, since it uses as much as digits as its factorization.

240142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34306056.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 240142343 is about 15496.5268044165. The cubic root of 240142343 is about 621.5693360199.

Adding to 240142343 its reverse (343241042), we get a palindrome (583383385).

It can be divided in two parts, 2401 and 42343, that added together give a palindrome (44744).

The spelling of 240142343 in words is "two hundred forty million, one hundred forty-two thousand, three hundred forty-three".