23954087209 has 12 divisors (see below), whose sum is σ = 25950606336. Its totient is φ = 22101102192.

The previous prime is 23954087191. The next prime is 23954087233. The reversal of 23954087209 is 90278045932.

It is not a de Polignac number, because 23954087209 - 2²¹ = 23951990057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23954087239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340872 + ... + 405094.

It is an arithmetic number, because the mean of its divisors is an integer number (2162550528).

Almost surely, 2^23954087209 is an apocalyptic number.

It is an amenable number.

23954087209 is a deficient number, since it is larger than the sum of its proper divisors (1996519127).

23954087209 is a wasteful number, since it uses less digits than its factorization.

23954087209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66456 (or 66443 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 23954087209 in words is "twenty-three billion, nine hundred fifty-four million, eighty-seven thousand, two hundred nine".