23278526456 has 32 divisors (see below), whose sum is σ = 43776944640. Its totient is φ = 11604730368.

The previous prime is 23278526393. The next prime is 23278526497. The reversal of 23278526456 is 65462587232.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 4227401 + ... + 4232903.

It is an arithmetic number, because the mean of its divisors is an integer number (1368029520).

Almost surely, 2^23278526456 is an apocalyptic number.

It is an amenable number.

23278526456 is a deficient number, since it is larger than the sum of its proper divisors (20498418184).

23278526456 is a wasteful number, since it uses less digits than its factorization.

23278526456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983 (or 6979 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The spelling of 23278526456 in words is "twenty-three billion, two hundred seventy-eight million, five hundred twenty-six thousand, four hundred fifty-six".