23072645571550 has 24 divisors (see below), whose sum is σ = 42936271824600. Its totient is φ = 9224509613280.

The previous prime is 23072645571509. The next prime is 23072645571551. The reversal of 23072645571550 is 5517554627032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072645571551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113612920 + ... + 113815819.

It is an arithmetic number, because the mean of its divisors is an integer number (1789011326025).

Almost surely, 2^{23072645571550} is an apocalyptic number.

23072645571550 is a deficient number, since it is larger than the sum of its proper divisors (19863626253050).

23072645571550 is a wasteful number, since it uses less digits than its factorization.

23072645571550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227430780 (or 227430775 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 23072645571550 in words is "twenty-three trillion, seventy-two billion, six hundred forty-five million, five hundred seventy-one thousand, five hundred fifty".