1345352233 has 4 divisors (see below), whose sum is σ = 1364300928. Its totient is φ = 1326403540.

The previous prime is 1345352207. The next prime is 1345352237. The reversal of 1345352233 is 3322535431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3322535431 = 107 ⋅31051733.

It is not a de Polignac number, because 1345352233 - 2¹³ = 1345344041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345352195 and 1345352204.

It is not an unprimeable number, because it can be changed into a prime (1345352237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9474241 + ... + 9474382.

It is an arithmetic number, because the mean of its divisors is an integer number (341075232).

Almost surely, 2^1345352233 is an apocalyptic number.

It is an amenable number.

1345352233 is a deficient number, since it is larger than the sum of its proper divisors (18948695).

1345352233 is an equidigital number, since it uses as much as digits as its factorization.

1345352233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948694.

The product of its digits is 32400, while the sum is 31.

The square root of 1345352233 is about 36679.0435126108. The cubic root of 1345352233 is about 1103.9396564480.

Adding to 1345352233 its reverse (3322535431), we get a palindrome (4667887664).

The spelling of 1345352233 in words is "one billion, three hundred forty-five million, three hundred fifty-two thousand, two hundred thirty-three".