23072395761 has 24 divisors (see below), whose sum is σ = 36212483840. Its totient is φ = 14101970400.

The previous prime is 23072395757. The next prime is 23072395771. The reversal of 23072395761 is 16759327032.

23072395761 is a `hidden beast` number, since 2 + 3 + 0 + 72 + 3 + 9 + 576 + 1 = 666.

It is not a de Polignac number, because 23072395761 - 2² = 23072395757 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23072395711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2170930 + ... + 2181531.

Almost surely, 2^23072395761 is an apocalyptic number.

It is an amenable number.

23072395761 is a deficient number, since it is larger than the sum of its proper divisors (13140088079).

23072395761 is a wasteful number, since it uses less digits than its factorization.

23072395761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352517 (or 4352514 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 23072395761 in words is "twenty-three billion, seventy-two million, three hundred ninety-five thousand, seven hundred sixty-one".