233630122609 has 9 divisors (see below), whose sum is σ = 252990901569. Its totient is φ = 215652774480.

The previous prime is 233630122603. The next prime is 233630122657. The reversal of 233630122609 is 906221036332.

It is a happy number.

The square root of 233630122609 is 483353.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 71923194225 + 161706928384 = 268185^2 + 402128^2 .

It is not a de Polignac number, because 233630122609 - 2³ = 233630122601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233630122601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6264999 + ... + 6302179.

Almost surely, 2^233630122609 is an apocalyptic number.

233630122609 is the 483353-rd square number.

233630122609 is the 241677-th centered octagonal number.

It is an amenable number.

233630122609 is a deficient number, since it is larger than the sum of its proper divisors (19360778960).

233630122609 is an frugal number, since it uses more digits than its factorization.

233630122609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74388 (or 37194 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 233630122609 in words is "two hundred thirty-three billion, six hundred thirty million, one hundred twenty-two thousand, six hundred nine".