23406147 has 24 divisors (see below), whose sum is σ = 35729408. Its totient is φ = 14742000.

The previous prime is 23406139. The next prime is 23406151. The reversal of 23406147 is 74160432.

23406147 is a `hidden beast` number, since 2 + 3 + 40 + 614 + 7 = 666.

It is not a de Polignac number, because 23406147 - 2³ = 23406139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23406147.

It is not an unprimeable number, because it can be changed into a prime (23406107) 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, 11022 + ... + 12972.

Almost surely, 2^23406147 is an apocalyptic number.

23406147 is a deficient number, since it is larger than the sum of its proper divisors (12323261).

23406147 is a wasteful number, since it uses less digits than its factorization.

23406147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 23406147 is about 4837.9899751860. The cubic root of 23406147 is about 286.0508940025.

Adding to 23406147 its reverse (74160432), we get a palindrome (97566579).

The spelling of 23406147 in words is "twenty-three million, four hundred six thousand, one hundred forty-seven".