23441547209 has 2 divisors, whose sum is σ = 23441547210. Its totient is φ = 23441547208.

The previous prime is 23441547203. The next prime is 23441547221. The reversal of 23441547209 is 90274514432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21059814400 + 2381732809 = 145120^2 + 48803^2 .

It is a cyclic number.

It is not a de Polignac number, because 23441547209 - 2²⁴ = 23424769993 is a prime.

It is a super-2 number, since 2×23441547209² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23441547203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720773604 + 11720773605.

It is an arithmetic number, because the mean of its divisors is an integer number (11720773605).

Almost surely, 2^23441547209 is an apocalyptic number.

It is an amenable number.

23441547209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23441547209 is an equidigital number, since it uses as much as digits as its factorization.

23441547209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 23441547209 in words is "twenty-three billion, four hundred forty-one million, five hundred forty-seven thousand, two hundred nine".