23480909 has 2 divisors, whose sum is σ = 23480910. Its totient is φ = 23480908.

The previous prime is 23480869. The next prime is 23480917. The reversal of 23480909 is 90908432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 103684 = 4835^2 + 322^2 .

It is a cyclic number.

It is not a de Polignac number, because 23480909 - 2¹⁶ = 23415373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23480929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11740454 + 11740455.

It is an arithmetic number, because the mean of its divisors is an integer number (11740455).

Almost surely, 2^23480909 is an apocalyptic number.

It is an amenable number.

23480909 is a deficient number, since it is larger than the sum of its proper divisors (1).

23480909 is an equidigital number, since it uses as much as digits as its factorization.

23480909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 23480909 is about 4845.7103710395. The cubic root of 23480909 is about 286.3551304314.

It can be divided in two parts, 23480 and 909, that added together give a cube (24389 = 29³).

The spelling of 23480909 in words is "twenty-three million, four hundred eighty thousand, nine hundred nine".