1233330345 has 24 divisors (see below), whose sum is σ = 2302217736. Its totient is φ = 607177728.

The previous prime is 1233330341. The next prime is 1233330379. The reversal of 1233330345 is 5430333321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7420176 + 1225910169 = 2724^2 + 35013^2 .

It is not a de Polignac number, because 1233330345 - 2² = 1233330341 is a prime.

It is a super-2 number, since 2×1233330345² = 3042207479795638050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1233330341) 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 23 ways as a sum of consecutive naturals, for example, 1053544 + ... + 1054713.

It is an arithmetic number, because the mean of its divisors is an integer number (95925739).

Almost surely, 2^1233330345 is an apocalyptic number.

1233330345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1233330345 is a deficient number, since it is larger than the sum of its proper divisors (1068887391).

1233330345 is a wasteful number, since it uses less digits than its factorization.

1233330345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108281 (or 2108278 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

The square root of 1233330345 is about 35118.8032968095. The cubic root of 1233330345 is about 1072.4074088322.

Adding to 1233330345 its reverse (5430333321), we get a palindrome (6663663666).

The spelling of 1233330345 in words is "one billion, two hundred thirty-three million, three hundred thirty thousand, three hundred forty-five".