240423501 has 8 divisors (see below), whose sum is σ = 320844960. Its totient is φ = 160142192.

The previous prime is 240423497. The next prime is 240423517. The reversal of 240423501 is 105324042.

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 240423501 - 2² = 240423497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240423541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30966 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (40105620).

Almost surely, 2^240423501 is an apocalyptic number.

It is an amenable number.

240423501 is a deficient number, since it is larger than the sum of its proper divisors (80421459).

240423501 is a wasteful number, since it uses less digits than its factorization.

240423501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70075.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 240423501 is about 15505.5957963569. The cubic root of 240423501 is about 621.8118186394.

Adding to 240423501 its reverse (105324042), we get a palindrome (345747543).

The spelling of 240423501 in words is "two hundred forty million, four hundred twenty-three thousand, five hundred one".