23278343208 has 16 divisors (see below), whose sum is σ = 58195858080. Its totient is φ = 7759447728.

The previous prime is 23278343203. The next prime is 23278343213. The reversal of 23278343208 is 80234387232.

It is an interprime number because it is at equal distance from previous prime (23278343203) and next prime (23278343213).

It is a self number, because there is not a number n which added to its sum of digits gives 23278343208.

It is not an unprimeable number, because it can be changed into a prime (23278343203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 484965460 + ... + 484965507.

It is an arithmetic number, because the mean of its divisors is an integer number (3637241130).

Almost surely, 2^23278343208 is an apocalyptic number.

It is an amenable number.

23278343208 is an abundant number, since it is smaller than the sum of its proper divisors (34917514872).

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

23278343208 is a wasteful number, since it uses less digits than its factorization.

23278343208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969930976 (or 969930972 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 23278343208 in words is "twenty-three billion, two hundred seventy-eight million, three hundred forty-three thousand, two hundred eight".