23078417 has 8 divisors (see below), whose sum is σ = 23812776. Its totient is φ = 22349952.

The previous prime is 23078413. The next prime is 23078437. The reversal of 23078417 is 71487032.

It is a happy number.

It is a Cunningham number, because it is equal to 4804²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 430336 + 22648081 = 656^2 + 4759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23078417 - 2² = 23078413 is a prime.

It is a super-2 number, since 2×23078417² = 1065226662451778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23078413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7283 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (2976597).

Almost surely, 2^23078417 is an apocalyptic number.

It is an amenable number.

23078417 is a deficient number, since it is larger than the sum of its proper divisors (734359).

23078417 is a wasteful number, since it uses less digits than its factorization.

23078417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 23078417 is about 4804.0001040799. Note that the first 3 decimals coincide. The cubic root of 23078417 is about 284.7095306703.

The spelling of 23078417 in words is "twenty-three million, seventy-eight thousand, four hundred seventeen".