1240141223 has 4 divisors (see below), whose sum is σ = 1263540168. Its totient is φ = 1216742280.

The previous prime is 1240141207. The next prime is 1240141241. The reversal of 1240141223 is 3221410421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221410421 = 33107 ⋅97303.

It is a cyclic number.

It is not a de Polignac number, because 1240141223 - 2⁴ = 1240141207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240141195 and 1240141204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240141523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11699393 + ... + 11699498.

It is an arithmetic number, because the mean of its divisors is an integer number (315885042).

Almost surely, 2^1240141223 is an apocalyptic number.

1240141223 is a deficient number, since it is larger than the sum of its proper divisors (23398945).

1240141223 is an equidigital number, since it uses as much as digits as its factorization.

1240141223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23398944.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1240141223 is about 35215.6388980805. The cubic root of 1240141223 is about 1074.3778546838.

Adding to 1240141223 its reverse (3221410421), we get a palindrome (4461551644).

The spelling of 1240141223 in words is "one billion, two hundred forty million, one hundred forty-one thousand, two hundred twenty-three".