234100409 has 8 divisors (see below), whose sum is σ = 235252872. Its totient is φ = 232951680.

The previous prime is 234100403. The next prime is 234100423. The reversal of 234100409 is 904001432.

It can be written as a sum of positive squares in 4 ways, for example, as 12924025 + 221176384 = 3595^2 + 14872^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234100409 - 2²⁴ = 217323193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234100403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319007 + ... + 319739.

It is an arithmetic number, because the mean of its divisors is an integer number (29406609).

Almost surely, 2^234100409 is an apocalyptic number.

It is an amenable number.

234100409 is a deficient number, since it is larger than the sum of its proper divisors (1152463).

234100409 is an equidigital number, since it uses as much as digits as its factorization.

234100409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 234100409 is about 15300.3401596174. The cubic root of 234100409 is about 616.3121423948.

The spelling of 234100409 in words is "two hundred thirty-four million, one hundred thousand, four hundred nine".