1153322303 has 8 divisors (see below), whose sum is σ = 1339691040. Its totient is φ = 972355680.

The previous prime is 1153322263. The next prime is 1153322329. The reversal of 1153322303 is 3032233511.

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 1153322303 - 2¹² = 1153318207 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 (1153322803) 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, 1350068 + ... + 1350921.

It is an arithmetic number, because the mean of its divisors is an integer number (167461380).

Almost surely, 2^1153322303 is an apocalyptic number.

1153322303 is a deficient number, since it is larger than the sum of its proper divisors (186368737).

1153322303 is an equidigital number, since it uses as much as digits as its factorization.

1153322303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701057.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1153322303 is about 33960.5992732755. The cubic root of 1153322303 is about 1048.6974939275.

Adding to 1153322303 its reverse (3032233511), we get a palindrome (4185555814).

The spelling of 1153322303 in words is "one billion, one hundred fifty-three million, three hundred twenty-two thousand, three hundred three".