240231023 has 4 divisors (see below), whose sum is σ = 240875448. Its totient is φ = 239586600.

The previous prime is 240231001. The next prime is 240231077. The reversal of 240231023 is 320132042.

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 240231023 - 2¹⁰ = 240229999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240230992 and 240231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240231083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321653 + ... + 322398.

It is an arithmetic number, because the mean of its divisors is an integer number (60218862).

Almost surely, 2^240231023 is an apocalyptic number.

240231023 is a deficient number, since it is larger than the sum of its proper divisors (644425).

240231023 is an equidigital number, since it uses as much as digits as its factorization.

240231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644424.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 240231023 is about 15499.3878266208. The cubic root of 240231023 is about 621.6458378485.

Adding to 240231023 its reverse (320132042), we get a palindrome (560363065).

The spelling of 240231023 in words is "two hundred forty million, two hundred thirty-one thousand, twenty-three".