23232109 has 2 divisors, whose sum is σ = 23232110. Its totient is φ = 23232108.

The previous prime is 23232107. The next prime is 23232119. The reversal of 23232109 is 90123232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23011209 + 220900 = 4797^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 23232109 - 2¹ = 23232107 is a prime.

Together with 23232107, it forms a pair of twin primes.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23232109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23232101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616054 + 11616055.

It is an arithmetic number, because the mean of its divisors is an integer number (11616055).

Almost surely, 2^23232109 is an apocalyptic number.

It is an amenable number.

23232109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23232109 is an equidigital number, since it uses as much as digits as its factorization.

23232109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23232109 is about 4819.9698131835. The cubic root of 23232109 is about 285.3401458411.

The spelling of 23232109 in words is "twenty-three million, two hundred thirty-two thousand, one hundred nine".