240222423 has 8 divisors (see below), whose sum is σ = 366053248. Its totient is φ = 137269944.

The previous prime is 240222371. The next prime is 240222431. The reversal of 240222423 is 324222042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240222423 - 2¹² = 240218327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11439163 = 240222423 / (2 + 4 + 0 + 2 + 2 + 2 + 4 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240222423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240222823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5719561 + ... + 5719602.

It is an arithmetic number, because the mean of its divisors is an integer number (45756656).

Almost surely, 2^240222423 is an apocalyptic number.

240222423 is a deficient number, since it is larger than the sum of its proper divisors (125830825).

240222423 is a wasteful number, since it uses less digits than its factorization.

240222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439173.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 240222423 is about 15499.1103938258. The cubic root of 240222423 is about 621.6384196864.

Adding to 240222423 its reverse (324222042), we get a palindrome (564444465).

The spelling of 240222423 in words is "two hundred forty million, two hundred twenty-two thousand, four hundred twenty-three".