1240424223 has 8 divisors (see below), whose sum is σ = 1698599088. Its totient is φ = 804599424.

The previous prime is 1240424219. The next prime is 1240424231. The reversal of 1240424223 is 3224240421.

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

It is not a de Polignac number, because 1240424223 - 2² = 1240424219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240424193 and 1240424202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240424233) 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, 5587386 + ... + 5587607.

It is an arithmetic number, because the mean of its divisors is an integer number (212324886).

Almost surely, 2^1240424223 is an apocalyptic number.

1240424223 is a deficient number, since it is larger than the sum of its proper divisors (458174865).

1240424223 is a wasteful number, since it uses less digits than its factorization.

1240424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11175033.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1240424223 is about 35219.6567700482. The cubic root of 1240424223 is about 1074.4595727447.

Adding to 1240424223 its reverse (3224240421), we get a palindrome (4464664644).

The spelling of 1240424223 in words is "one billion, two hundred forty million, four hundred twenty-four thousand, two hundred twenty-three".