232400004209 has 2 divisors, whose sum is σ = 232400004210. Its totient is φ = 232400004208.

The previous prime is 232400004191. The next prime is 232400004271. The reversal of 232400004209 is 902400004232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218302003984 + 14098000225 = 467228^2 + 118735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232400004209 is a prime.

It is not a weakly prime, because it can be changed into another prime (232400024209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116200002104 + 116200002105.

It is an arithmetic number, because the mean of its divisors is an integer number (116200002105).

Almost surely, 2^232400004209 is an apocalyptic number.

It is an amenable number.

232400004209 is a deficient number, since it is larger than the sum of its proper divisors (1).

232400004209 is an equidigital number, since it uses as much as digits as its factorization.

232400004209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 232400004209 in words is "two hundred thirty-two billion, four hundred million, four thousand, two hundred nine".