240242623 has 4 divisors (see below), whose sum is σ = 254374560. Its totient is φ = 226110688.

The previous prime is 240242621. The next prime is 240242663. The reversal of 240242623 is 326242042.

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 240242623 - 2¹ = 240242621 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 (240242621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7065943 + ... + 7065976.

It is an arithmetic number, because the mean of its divisors is an integer number (63593640).

Almost surely, 2^240242623 is an apocalyptic number.

240242623 is a deficient number, since it is larger than the sum of its proper divisors (14131937).

240242623 is a wasteful number, since it uses less digits than its factorization.

240242623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14131936.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 240242623 is about 15499.7620304313. The cubic root of 240242623 is about 621.6558434611.

Adding to 240242623 its reverse (326242042), we get a palindrome (566484665).

The spelling of 240242623 in words is "two hundred forty million, two hundred forty-two thousand, six hundred twenty-three".