240435023 has 2 divisors, whose sum is σ = 240435024. Its totient is φ = 240435022.

The previous prime is 240435001. The next prime is 240435047. The reversal of 240435023 is 320534042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240435023 - 2²⁴ = 223657807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240435023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240435623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120217511 + 120217512.

It is an arithmetic number, because the mean of its divisors is an integer number (120217512).

Almost surely, 2^240435023 is an apocalyptic number.

240435023 is a deficient number, since it is larger than the sum of its proper divisors (1).

240435023 is an equidigital number, since it uses as much as digits as its factorization.

240435023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 240435023 is about 15505.9673351907. The cubic root of 240435023 is about 621.8217516691.

Adding to 240435023 its reverse (320534042), we get a palindrome (560969065).

The spelling of 240435023 in words is "two hundred forty million, four hundred thirty-five thousand, twenty-three".