1288453323 has 8 divisors (see below), whose sum is σ = 1718305488. Its totient is φ = 858785024.

The previous prime is 1288453321. The next prime is 1288453337. The reversal of 1288453323 is 3233548821.

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 1288453323 - 2¹ = 1288453321 is a prime.

It is a super-2 number, since 2×1288453323² = 3320223931099484658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1288453321) 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, 28686 + ... + 58307.

It is an arithmetic number, because the mean of its divisors is an integer number (214788186).

Almost surely, 2^1288453323 is an apocalyptic number.

1288453323 is a deficient number, since it is larger than the sum of its proper divisors (429852165).

1288453323 is an equidigital number, since it uses as much as digits as its factorization.

1288453323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91933.

The product of its digits is 138240, while the sum is 39.

The square root of 1288453323 is about 35895.0320100150. The cubic root of 1288453323 is about 1088.1519967122.

The spelling of 1288453323 in words is "one billion, two hundred eighty-eight million, four hundred fifty-three thousand, three hundred twenty-three".