240412823 has 16 divisors (see below), whose sum is σ = 280682496. Its totient is φ = 201645600.

The previous prime is 240412801. The next prime is 240412829. The reversal of 240412823 is 328214042.

240412823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 240412823 - 2¹⁸ = 240150679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240412792 and 240412801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240412829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208298 + ... + 209448.

It is an arithmetic number, because the mean of its divisors is an integer number (17542656).

Almost surely, 2^240412823 is an apocalyptic number.

240412823 is a deficient number, since it is larger than the sum of its proper divisors (40269673).

240412823 is a wasteful number, since it uses less digits than its factorization.

240412823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 240412823 is about 15505.2514652294. The cubic root of 240412823 is about 621.8026129324.

Adding to 240412823 its reverse (328214042), we get a palindrome (568626865).

The spelling of 240412823 in words is "two hundred forty million, four hundred twelve thousand, eight hundred twenty-three".