1422323503453 has 4 divisors (see below), whose sum is σ = 1460764679260. Its totient is φ = 1383882327648.

The previous prime is 1422323503451. The next prime is 1422323503483. The reversal of 1422323503453 is 3543053232241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1140190433209 + 282133070244 = 1067797^2 + 531162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422323503453 - 2¹ = 1422323503451 is a prime.

It is a super-2 number, since 2×1422323503453² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 38441175769 = 1422323503453 / (1 + 4 + 2 + 2 + 3 + 2 + 3 + 5 + 0 + 3 + 4 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422323503451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19220587848 + ... + 19220587921.

It is an arithmetic number, because the mean of its divisors is an integer number (365191169815).

Almost surely, 2^{1422323503453} is an apocalyptic number.

It is an amenable number.

1422323503453 is a deficient number, since it is larger than the sum of its proper divisors (38441175807).

1422323503453 is an equidigital number, since it uses as much as digits as its factorization.

1422323503453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38441175806.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 1422323503453 its reverse (3543053232241), we get a palindrome (4965376735694).

The spelling of 1422323503453 in words is "one trillion, four hundred twenty-two billion, three hundred twenty-three million, five hundred three thousand, four hundred fifty-three".