23452109 has 2 divisors, whose sum is σ = 23452110. Its totient is φ = 23452108.

The previous prime is 23452073. The next prime is 23452147. The reversal of 23452109 is 90125432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19758025 + 3694084 = 4445^2 + 1922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23452109 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23452159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726054 + 11726055.

It is an arithmetic number, because the mean of its divisors is an integer number (11726055).

Almost surely, 2^23452109 is an apocalyptic number.

It is an amenable number.

23452109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23452109 is an equidigital number, since it uses as much as digits as its factorization.

23452109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 23452109 is about 4842.7377587476. The cubic root of 23452109 is about 286.2380083075.

The spelling of 23452109 in words is "twenty-three million, four hundred fifty-two thousand, one hundred nine".