23209004112 has 160 divisors (see below), whose sum is σ = 74893492224. Its totient is φ = 6039705600.

The previous prime is 23209004107. The next prime is 23209004209. The reversal of 23209004112 is 21140090232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111537 + ... + 242607.

Almost surely, 2^23209004112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23209004112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37446746112).

23209004112 is an abundant number, since it is smaller than the sum of its proper divisors (51684488112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23209004112 is a wasteful number, since it uses less digits than its factorization.

23209004112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131137 (or 131131 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23209004112 its reverse (21140090232), we get a palindrome (44349094344).

The spelling of 23209004112 in words is "twenty-three billion, two hundred nine million, four thousand, one hundred twelve".