23147827 has 2 divisors, whose sum is σ = 23147828. Its totient is φ = 23147826.

The previous prime is 23147819. The next prime is 23147849. The reversal of 23147827 is 72874132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23147827 - 2³ = 23147819 is a prime.

It is equal to p_1456945 and since 23147827 and 1456945 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23147792 and 23147801.

It is not a weakly prime, because it can be changed into another prime (23147807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11573913 + 11573914.

It is an arithmetic number, because the mean of its divisors is an integer number (11573914).

Almost surely, 2^23147827 is an apocalyptic number.

23147827 is a deficient number, since it is larger than the sum of its proper divisors (1).

23147827 is an equidigital number, since it uses as much as digits as its factorization.

23147827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 34.

The square root of 23147827 is about 4811.2188684366. The cubic root of 23147827 is about 284.9946731332.

The spelling of 23147827 in words is "twenty-three million, one hundred forty-seven thousand, eight hundred twenty-seven".