1244223422403 has 16 divisors (see below), whose sum is σ = 1786645136640. Its totient is φ = 765646845984.

The previous prime is 1244223422399. The next prime is 1244223422413. The reversal of 1244223422403 is 3042243224421.

It is a happy number.

It is not a de Polignac number, because 1244223422403 - 2² = 1244223422399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1244223422413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456288 + ... + 1642146.

It is an arithmetic number, because the mean of its divisors is an integer number (111665321040).

Almost surely, 2^{1244223422403} is an apocalyptic number.

1244223422403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1244223422403 is a deficient number, since it is larger than the sum of its proper divisors (542421714237).

1244223422403 is a wasteful number, since it uses less digits than its factorization.

1244223422403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212778.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 1244223422403 its reverse (3042243224421), we get a palindrome (4286466646824).

The spelling of 1244223422403 in words is "one trillion, two hundred forty-four billion, two hundred twenty-three million, four hundred twenty-two thousand, four hundred three".