240011243 has 8 divisors (see below), whose sum is σ = 243902400. Its totient is φ = 236141568.

The previous prime is 240011237. The next prime is 240011263. The reversal of 240011243 is 342110042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240011243 - 2⁶ = 240011179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240011263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17963 + ... + 28331.

It is an arithmetic number, because the mean of its divisors is an integer number (30487800).

Almost surely, 2^240011243 is an apocalyptic number.

240011243 is a deficient number, since it is larger than the sum of its proper divisors (3891157).

240011243 is a wasteful number, since it uses less digits than its factorization.

240011243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240011243 is about 15492.2962468448. The cubic root of 240011243 is about 621.4562050990.

Adding to 240011243 its reverse (342110042), we get a palindrome (582121285).

The spelling of 240011243 in words is "two hundred forty million, eleven thousand, two hundred forty-three".