23012439208 has 48 divisors (see below), whose sum is σ = 47498300640. Its totient is φ = 10444584480.

The previous prime is 23012439167. The next prime is 23012439253. The reversal of 23012439208 is 80293421032.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643741 + ... + 678547.

It is an arithmetic number, because the mean of its divisors is an integer number (989547930).

Almost surely, 2^23012439208 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 23012439208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23749150320).

23012439208 is an abundant number, since it is smaller than the sum of its proper divisors (24485861432).

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

23012439208 is a wasteful number, since it uses less digits than its factorization.

23012439208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35518 (or 35503 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 23012439208 in words is "twenty-three billion, twelve million, four hundred thirty-nine thousand, two hundred eight".