104233509 has 6 divisors (see below), whose sum is σ = 150559526. Its totient is φ = 69489000.

The previous prime is 104233499. The next prime is 104233513. The reversal of 104233509 is 905332401.

It can be written as a sum of positive squares in only one way, i.e., 103428900 + 804609 = 10170^2 + 897^2 .

It is a de Polignac number, because none of the positive numbers 2^k-104233509 is a prime.

It is a super-3 number, since 3×104233509³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104233559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5790742 + ... + 5790759.

Almost surely, 2^104233509 is an apocalyptic number.

It is an amenable number.

104233509 is a deficient number, since it is larger than the sum of its proper divisors (46326017).

104233509 is a wasteful number, since it uses less digits than its factorization.

104233509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11581507 (or 11581504 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 104233509 is about 10209.4813286474. The cubic root of 104233509 is about 470.6186345917.

The spelling of 104233509 in words is "one hundred four million, two hundred thirty-three thousand, five hundred nine".