23308278956 has 24 divisors (see below), whose sum is σ = 43120612080. Its totient is φ = 10993370112.

The previous prime is 23308278941. The next prime is 23308278979. The reversal of 23308278956 is 65987280332.

It is a junction number, because it is equal to n+sod(n) for n = 23308278898 and 23308278907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640421 + ... + 675836.

It is an arithmetic number, because the mean of its divisors is an integer number (1796692170).

Almost surely, 2^23308278956 is an apocalyptic number.

It is an amenable number.

23308278956 is a deficient number, since it is larger than the sum of its proper divisors (19812333124).

23308278956 is a wasteful number, since it uses less digits than its factorization.

23308278956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316513 (or 1316511 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 23308278956 in words is "twenty-three billion, three hundred eight million, two hundred seventy-eight thousand, nine hundred fifty-six".