23278613712 has 20 divisors (see below), whose sum is σ = 60136418880. Its totient is φ = 7759537888.

The previous prime is 23278613711. The next prime is 23278613767. The reversal of 23278613712 is 21731687232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23278613711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 242485512 + ... + 242485607.

It is an arithmetic number, because the mean of its divisors is an integer number (3006820944).

Almost surely, 2^23278613712 is an apocalyptic number.

It is an amenable number.

23278613712 is an abundant number, since it is smaller than the sum of its proper divisors (36857805168).

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

23278613712 is a wasteful number, since it uses less digits than its factorization.

23278613712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484971130 (or 484971124 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The spelling of 23278613712 in words is "twenty-three billion, two hundred seventy-eight million, six hundred thirteen thousand, seven hundred twelve".