1223104420453 has 8 divisors (see below), whose sum is σ = 1252951070616. Its totient is φ = 1193258476800.

The previous prime is 1223104420411. The next prime is 1223104420459. The reversal of 1223104420453 is 3540244013221.

It can be written as a sum of positive squares in 4 ways, for example, as 205592416929 + 1017512003524 = 453423^2 + 1008718^2 .

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 1223104420453 - 2²¹ = 1223102323301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223104420459) 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, 5623143 + ... + 5836603.

It is an arithmetic number, because the mean of its divisors is an integer number (156618883827).

Almost surely, 2^{1223104420453} is an apocalyptic number.

It is an amenable number.

1223104420453 is a deficient number, since it is larger than the sum of its proper divisors (29846650163).

1223104420453 is a wasteful number, since it uses less digits than its factorization.

1223104420453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353255.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1223104420453 its reverse (3540244013221), we get a palindrome (4763348433674).

The spelling of 1223104420453 in words is "one trillion, two hundred twenty-three billion, one hundred four million, four hundred twenty thousand, four hundred fifty-three".