1244402323 has 8 divisors (see below), whose sum is σ = 1264347392. Its totient is φ = 1224497736.

The previous prime is 1244402297. The next prime is 1244402333. The reversal of 1244402323 is 3232044421.

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 1244402323 - 2¹³ = 1244394131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244402333) 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, 55186 + ... + 74392.

It is an arithmetic number, because the mean of its divisors is an integer number (158043424).

Almost surely, 2^1244402323 is an apocalyptic number.

1244402323 is a deficient number, since it is larger than the sum of its proper divisors (19945069).

1244402323 is an equidigital number, since it uses as much as digits as its factorization.

1244402323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20241.

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

The square root of 1244402323 is about 35276.0871271177. The cubic root of 1244402323 is about 1075.6069615083.

Adding to 1244402323 its reverse (3232044421), we get a palindrome (4476446744).

The spelling of 1244402323 in words is "one billion, two hundred forty-four million, four hundred two thousand, three hundred twenty-three".