240213023 has 8 divisors (see below), whose sum is σ = 244265520. Its totient is φ = 236174400.

The previous prime is 240212993. The next prime is 240213037. The reversal of 240213023 is 320312042.

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 240213023 - 2⁸ = 240212767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240212992 and 240213010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240213053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34973 + ... + 41273.

It is an arithmetic number, because the mean of its divisors is an integer number (30533190).

Almost surely, 2^240213023 is an apocalyptic number.

240213023 is a deficient number, since it is larger than the sum of its proper divisors (4052497).

240213023 is an equidigital number, since it uses as much as digits as its factorization.

240213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937.

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

The square root of 240213023 is about 15498.8071476485. The cubic root of 240213023 is about 621.6303112602.

Adding to 240213023 its reverse (320312042), we get a palindrome (560525065).

The spelling of 240213023 in words is "two hundred forty million, two hundred thirteen thousand, twenty-three".