1242412223 has 16 divisors (see below), whose sum is σ = 1426252800. Its totient is φ = 1072712160.

The previous prime is 1242412219. The next prime is 1242412231. The reversal of 1242412223 is 3222142421.

It is not a de Polignac number, because 1242412223 - 2² = 1242412219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242411223) 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 15 ways as a sum of consecutive naturals, for example, 12323 + ... + 51348.

It is an arithmetic number, because the mean of its divisors is an integer number (89140800).

Almost surely, 2^1242412223 is an apocalyptic number.

1242412223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1242412223 is a deficient number, since it is larger than the sum of its proper divisors (183840577).

1242412223 is a wasteful number, since it uses less digits than its factorization.

1242412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63782.

The product of its digits is 1536, while the sum is 23.

The square root of 1242412223 is about 35247.8683468944. The cubic root of 1242412223 is about 1075.0332704323.

Adding to 1242412223 its reverse (3222142421), we get a palindrome (4464554644).

The spelling of 1242412223 in words is "one billion, two hundred forty-two million, four hundred twelve thousand, two hundred twenty-three".