23507647 has 2 divisors, whose sum is σ = 23507648. Its totient is φ = 23507646.

The previous prime is 23507639. The next prime is 23507657. The reversal of 23507647 is 74670532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23507647 - 2³ = 23507639 is a prime.

It is equal to p_1478167 and since 23507647 and 1478167 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23507657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11753823 + 11753824.

It is an arithmetic number, because the mean of its divisors is an integer number (11753824).

Almost surely, 2^23507647 is an apocalyptic number.

23507647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23507647 is an equidigital number, since it uses as much as digits as its factorization.

23507647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 23507647 is about 4848.4685210899. The cubic root of 23507647 is about 286.4637812380.

The spelling of 23507647 in words is "twenty-three million, five hundred seven thousand, six hundred forty-seven".