1323240442 has 8 divisors (see below), whose sum is σ = 1985108832. Its totient is φ = 661537500.

The previous prime is 1323240433. The next prime is 1323240467. The reversal of 1323240442 is 2440423231.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18934 + ... + 54817.

It is an arithmetic number, because the mean of its divisors is an integer number (248138604).

Almost surely, 2^1323240442 is an apocalyptic number.

1323240442 is a deficient number, since it is larger than the sum of its proper divisors (661868390).

1323240442 is an equidigital number, since it uses as much as digits as its factorization.

1323240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82724.

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

The square root of 1323240442 is about 36376.3720291070. The cubic root of 1323240442 is about 1097.8582131949.

Adding to 1323240442 its reverse (2440423231), we get a palindrome (3763663673).

The spelling of 1323240442 in words is "one billion, three hundred twenty-three million, two hundred forty thousand, four hundred forty-two".