23694947 has 2 divisors, whose sum is σ = 23694948. Its totient is φ = 23694946.

The previous prime is 23694929. The next prime is 23694949. The reversal of 23694947 is 74949632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23694947 - 2⁶ = 23694883 is a prime.

It is a super-2 number, since 2×23694947² = 1122901026665618, which contains 22 as substring.

Together with 23694949, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23694898 and 23694907.

It is not a weakly prime, because it can be changed into another prime (23694949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11847473 + 11847474.

It is an arithmetic number, because the mean of its divisors is an integer number (11847474).

Almost surely, 2^23694947 is an apocalyptic number.

23694947 is a deficient number, since it is larger than the sum of its proper divisors (1).

23694947 is an equidigital number, since it uses as much as digits as its factorization.

23694947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 23694947 is about 4867.7455767532. The cubic root of 23694947 is about 287.2225810399. Note that the first 3 decimals are identical.

The spelling of 23694947 in words is "twenty-three million, six hundred ninety-four thousand, nine hundred forty-seven".