128453453 has 4 divisors (see below), whose sum is σ = 128552160. Its totient is φ = 128354748.

The previous prime is 128453449. The next prime is 128453461. The reversal of 128453453 is 354354821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 128453453 - 2² = 128453449 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 (128453473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47375 + ... + 50012.

It is an arithmetic number, because the mean of its divisors is an integer number (32138040).

Almost surely, 2^128453453 is an apocalyptic number.

It is an amenable number.

128453453 is a deficient number, since it is larger than the sum of its proper divisors (98707).

128453453 is an equidigital number, since it uses as much as digits as its factorization.

128453453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98706.

The product of its digits is 57600, while the sum is 35.

The square root of 128453453 is about 11333.7307626395. The cubic root of 128453453 is about 504.5628383511.

The spelling of 128453453 in words is "one hundred twenty-eight million, four hundred fifty-three thousand, four hundred fifty-three".