23672647 has 2 divisors, whose sum is σ = 23672648. Its totient is φ = 23672646.

The previous prime is 23672639. The next prime is 23672743. The reversal of 23672647 is 74627632.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23672647 - 2³ = 23672639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23676647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11836323 + 11836324.

It is an arithmetic number, because the mean of its divisors is an integer number (11836324).

Almost surely, 2^23672647 is an apocalyptic number.

23672647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23672647 is an equidigital number, since it uses as much as digits as its factorization.

23672647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 23672647 is about 4865.4544494836. The cubic root of 23672647 is about 287.1324482655.

The spelling of 23672647 in words is "twenty-three million, six hundred seventy-two thousand, six hundred forty-seven".