23278238680 has 16 divisors (see below), whose sum is σ = 52376037120. Its totient is φ = 9311295456.

The previous prime is 23278238657. The next prime is 23278238693. The reversal of 23278238680 is 8683287232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290977944 + ... + 290978023.

It is an arithmetic number, because the mean of its divisors is an integer number (3273502320).

Almost surely, 2^23278238680 is an apocalyptic number.

23278238680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23278238680 is an abundant number, since it is smaller than the sum of its proper divisors (29097798440).

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

23278238680 is a wasteful number, since it uses less digits than its factorization.

23278238680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581955978 (or 581955974 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 23278238680 in words is "twenty-three billion, two hundred seventy-eight million, two hundred thirty-eight thousand, six hundred eighty".