23545450132009 has 16 divisors (see below), whose sum is σ = 25445544663168. Its totient is φ = 21658134465792.

The previous prime is 23545450132007. The next prime is 23545450132037. The reversal of 23545450132009 is 90023105454532.

It is a cyclic number.

It is not a de Polignac number, because 23545450132009 - 2¹ = 23545450132007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23545450132007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5625169 + ... + 8873185.

It is an arithmetic number, because the mean of its divisors is an integer number (1590346541448).

Almost surely, 2^{23545450132009} is an apocalyptic number.

It is an amenable number.

23545450132009 is a deficient number, since it is larger than the sum of its proper divisors (1900094531159).

23545450132009 is a wasteful number, since it uses less digits than its factorization.

23545450132009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249984.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 23545450132009 in words is "twenty-three trillion, five hundred forty-five billion, four hundred fifty million, one hundred thirty-two thousand, nine".