240423541 has 2 divisors, whose sum is σ = 240423542. Its totient is φ = 240423540.

The previous prime is 240423539. The next prime is 240423583. The reversal of 240423541 is 145324042.

It is a happy number.

240423541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129732100 + 110691441 = 11390^2 + 10521^2 .

It is a cyclic number.

It is not a de Polignac number, because 240423541 - 2¹ = 240423539 is a prime.

Together with 240423539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240423241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120211770 + 120211771.

It is an arithmetic number, because the mean of its divisors is an integer number (120211771).

Almost surely, 2^240423541 is an apocalyptic number.

It is an amenable number.

240423541 is a deficient number, since it is larger than the sum of its proper divisors (1).

240423541 is an equidigital number, since it uses as much as digits as its factorization.

240423541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 240423541 is about 15505.5970862137. The cubic root of 240423541 is about 621.8118531236.

Adding to 240423541 its reverse (145324042), we get a palindrome (385747583).

The spelling of 240423541 in words is "two hundred forty million, four hundred twenty-three thousand, five hundred forty-one".