1223055453 has 8 divisors (see below), whose sum is σ = 1655080288. Its totient is φ = 803200464.

The previous prime is 1223055439. The next prime is 1223055503. The reversal of 1223055453 is 3545503221.

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

It is not a de Polignac number, because 1223055453 - 2⁶ = 1223055389 is a prime.

It is a super-2 number, since 2×1223055453² = 2991729282226070418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223055453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223055653) 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, 3042226 + ... + 3042627.

It is an arithmetic number, because the mean of its divisors is an integer number (206885036).

Almost surely, 2^1223055453 is an apocalyptic number.

It is an amenable number.

1223055453 is a deficient number, since it is larger than the sum of its proper divisors (432024835).

1223055453 is an equidigital number, since it uses as much as digits as its factorization.

1223055453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084923.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1223055453 is about 34972.2097242939. The cubic root of 1223055453 is about 1069.4210199274.

Adding to 1223055453 its reverse (3545503221), we get a palindrome (4768558674).

The spelling of 1223055453 in words is "one billion, two hundred twenty-three million, fifty-five thousand, four hundred fifty-three".