23072645571547 has 16 divisors (see below), whose sum is σ = 27106737719040. Its totient is φ = 19361365725600.

The previous prime is 23072645571509. The next prime is 23072645571551. The reversal of 23072645571547 is 74517554627032.

It is a cyclic number.

It is not a de Polignac number, because 23072645571547 - 2⁷ = 23072645571419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23072645571491 and 23072645571500.

It is not an unprimeable number, because it can be changed into a prime (23072645571947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8459104 + ... + 10849042.

It is an arithmetic number, because the mean of its divisors is an integer number (1694171107440).

Almost surely, 2^{23072645571547} is an apocalyptic number.

23072645571547 is a deficient number, since it is larger than the sum of its proper divisors (4034092147493).

23072645571547 is a wasteful number, since it uses less digits than its factorization.

23072645571547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457474.

The product of its (nonzero) digits is 49392000, while the sum is 58.

The spelling of 23072645571547 in words is "twenty-three trillion, seventy-two billion, six hundred forty-five million, five hundred seventy-one thousand, five hundred forty-seven".