23656609394 has 16 divisors (see below), whose sum is σ = 38850575616. Its totient is φ = 10714182000.

The previous prime is 23656609381. The next prime is 23656609421. The reversal of 23656609394 is 49390665632.

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, 1934882 + ... + 1947069.

It is an arithmetic number, because the mean of its divisors is an integer number (2428160976).

Almost surely, 2^23656609394 is an apocalyptic number.

23656609394 is a deficient number, since it is larger than the sum of its proper divisors (15193966222).

23656609394 is a wasteful number, since it uses less digits than its factorization.

23656609394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882241.

The product of its (nonzero) digits is 6298560, while the sum is 53.

The spelling of 23656609394 in words is "twenty-three billion, six hundred fifty-six million, six hundred nine thousand, three hundred ninety-four".