232109 has 2 divisors, whose sum is σ = 232110. Its totient is φ = 232108.

The previous prime is 232103. The next prime is 232117. The reversal of 232109 is 901232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 64009 = 410^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 232109 - 2¹² = 228013 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116054 + 116055.

It is an arithmetic number, because the mean of its divisors is an integer number (116055).

2²³²¹⁰⁹ is an apocalyptic number.

It is an amenable number.

232109 is a deficient number, since it is larger than the sum of its proper divisors (1).

232109 is an equidigital number, since it uses as much as digits as its factorization.

232109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 232109 is about 481.7769193309. The cubic root of 232109 is about 61.4559580684.

The spelling of 232109 in words is "two hundred thirty-two thousand, one hundred nine".