240374231 has 4 divisors (see below), whose sum is σ = 240900672. Its totient is φ = 239847792.

The previous prime is 240374213. The next prime is 240374249. The reversal of 240374231 is 132473042.

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

It is an interprime number because it is at equal distance from previous prime (240374213) and next prime (240374249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240374231 is a prime.

It is a super-2 number, since 2×240374231² = 115559541857682722, which contains 22 as substring.

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 240374231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240374131) 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 3 ways as a sum of consecutive naturals, for example, 262535 + ... + 263448.

It is an arithmetic number, because the mean of its divisors is an integer number (60225168).

Almost surely, 2^240374231 is an apocalyptic number.

240374231 is a deficient number, since it is larger than the sum of its proper divisors (526441).

240374231 is an equidigital number, since it uses as much as digits as its factorization.

240374231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526440.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 240374231 is about 15504.0069336930. The cubic root of 240374231 is about 621.7693397619.

The spelling of 240374231 in words is "two hundred forty million, three hundred seventy-four thousand, two hundred thirty-one".