23278711608 has 64 divisors (see below), whose sum is σ = 67474540800. Its totient is φ = 7422196320.

The previous prime is 23278711591. The next prime is 23278711637. The reversal of 23278711608 is 80611787232.

23278711608 is a `hidden beast` number, since 2 + 3 + 27 + 8 + 7 + 11 + 608 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337898 + ... + 2347833.

It is an arithmetic number, because the mean of its divisors is an integer number (1054289700).

Almost surely, 2^23278711608 is an apocalyptic number.

It is an amenable number.

23278711608 is an abundant number, since it is smaller than the sum of its proper divisors (44195829192).

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

23278711608 is a wasteful number, since it uses less digits than its factorization.

23278711608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685769 (or 4685759 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 23278711608 in words is "twenty-three billion, two hundred seventy-eight million, seven hundred eleven thousand, six hundred eight".