1242404323 has 8 divisors (see below), whose sum is σ = 1281873600. Its totient is φ = 1203528768.

The previous prime is 1242404321. The next prime is 1242404347. The reversal of 1242404323 is 3234042421.

It is a happy number.

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 1242404323 - 2¹ = 1242404321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242404321) 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, 144178 + ... + 152551.

It is an arithmetic number, because the mean of its divisors is an integer number (160234200).

Almost surely, 2^1242404323 is an apocalyptic number.

1242404323 is a deficient number, since it is larger than the sum of its proper divisors (39469277).

1242404323 is an equidigital number, since it uses as much as digits as its factorization.

1242404323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296861.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1242404323 is about 35247.7562832019. The cubic root of 1242404323 is about 1075.0309918593.

Adding to 1242404323 its reverse (3234042421), we get a palindrome (4476446744).

The spelling of 1242404323 in words is "one billion, two hundred forty-two million, four hundred four thousand, three hundred twenty-three".