1143353 has 4 divisors (see below), whose sum is σ = 1193088. Its totient is φ = 1093620.

The previous prime is 1143347. The next prime is 1143371. The reversal of 1143353 is 3533411.

It is a happy number.

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 1143353 - 2²⁰ = 94777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24833 + ... + 24878.

It is an arithmetic number, because the mean of its divisors is an integer number (298272).

2^1143353 is an apocalyptic number.

It is an amenable number.

1143353 is a deficient number, since it is larger than the sum of its proper divisors (49735).

1143353 is an equidigital number, since it uses as much as digits as its factorization.

1143353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49734.

The product of its digits is 540, while the sum is 20.

The square root of 1143353 is about 1069.2768584422. The cubic root of 1143353 is about 104.5667103026.

Adding to 1143353 its reverse (3533411), we get a palindrome (4676764).

The spelling of 1143353 in words is "one million, one hundred forty-three thousand, three hundred fifty-three".