23647764007072 has 24 divisors (see below), whose sum is σ = 46559825797716. Its totient is φ = 11823046344192.

The previous prime is 23647764007057. The next prime is 23647764007157. The reversal of 23647764007072 is 27070046774632.

It can be written as a sum of positive squares in 2 ways, for example, as 19496781546256 + 4150982460816 = 4415516^2 + 2037396^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25654383 + ... + 26560174.

Almost surely, 2^{23647764007072} is an apocalyptic number.

It is an amenable number.

23647764007072 is a deficient number, since it is larger than the sum of its proper divisors (22912061790644).

23647764007072 is a wasteful number, since it uses less digits than its factorization.

23647764007072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52228720 (or 52228712 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 55.

The spelling of 23647764007072 in words is "twenty-three trillion, six hundred forty-seven billion, seven hundred sixty-four million, seven thousand, seventy-two".