23072427 has 24 divisors (see below), whose sum is σ = 39746304. Its totient is φ = 12610224.

The previous prime is 23072419. The next prime is 23072447. The reversal of 23072427 is 72427032.

23072427 is a `hidden beast` number, since 230 + 7 + 2 + 427 = 666.

It is not a de Polignac number, because 23072427 - 2³ = 23072419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23072427.

It is not an unprimeable number, because it can be changed into a prime (23072407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6513 + ... + 9410.

It is an arithmetic number, because the mean of its divisors is an integer number (1656096).

Almost surely, 2^23072427 is an apocalyptic number.

23072427 is a deficient number, since it is larger than the sum of its proper divisors (16673877).

23072427 is a wasteful number, since it uses less digits than its factorization.

23072427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15959 (or 15956 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 23072427 is about 4803.3766248338. The cubic root of 23072427 is about 284.6848964322.

Adding to 23072427 its reverse (72427032), we get a palindrome (95499459).

The spelling of 23072427 in words is "twenty-three million, seventy-two thousand, four hundred twenty-seven".