23078017 has 2 divisors, whose sum is σ = 23078018. Its totient is φ = 23078016.

The previous prime is 23078009. The next prime is 23078021. The reversal of 23078017 is 71087032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 2202256 = 4569^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 23078017 - 2³ = 23078009 is a prime.

It is equal to p_1452880 and since 23078017 and 1452880 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23078717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11539008 + 11539009.

It is an arithmetic number, because the mean of its divisors is an integer number (11539009).

Almost surely, 2^23078017 is an apocalyptic number.

It is an amenable number.

23078017 is a deficient number, since it is larger than the sum of its proper divisors (1).

23078017 is an equidigital number, since it uses as much as digits as its factorization.

23078017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 23078017 is about 4803.9584719271. The cubic root of 23078017 is about 284.7078857789.

The spelling of 23078017 in words is "twenty-three million, seventy-eight thousand, seventeen".