23952172065644 has 24 divisors (see below), whose sum is σ = 42148601207328. Its totient is φ = 11909872419840.

The previous prime is 23952172065641. The next prime is 23952172065673. The reversal of 23952172065644 is 44656027125932.

It is a self number, because there is not a number n which added to its sum of digits gives 23952172065644.

It is not an unprimeable number, because it can be changed into a prime (23952172065641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19122827 + ... + 20336834.

It is an arithmetic number, because the mean of its divisors is an integer number (1756191716972).

Almost surely, 2^{23952172065644} is an apocalyptic number.

It is an amenable number.

23952172065644 is a deficient number, since it is larger than the sum of its proper divisors (18196429141684).

23952172065644 is a wasteful number, since it uses less digits than its factorization.

23952172065644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39460505 (or 39460503 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 23952172065644 in words is "twenty-three trillion, nine hundred fifty-two billion, one hundred seventy-two million, sixty-five thousand, six hundred forty-four".