23078165 has 8 divisors (see below), whose sum is σ = 30211488. Its totient is φ = 16784080.

The previous prime is 23078137. The next prime is 23078183. The reversal of 23078165 is 56187032.

It is a happy number.

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

It is not a de Polignac number, because 23078165 - 2¹⁸ = 22816021 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209747 + ... + 209856.

It is an arithmetic number, because the mean of its divisors is an integer number (3776436).

Almost surely, 2^23078165 is an apocalyptic number.

It is an amenable number.

23078165 is a deficient number, since it is larger than the sum of its proper divisors (7133323).

23078165 is a wasteful number, since it uses less digits than its factorization.

23078165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419619.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 23078165 is about 4803.9738758657. The cubic root of 23078165 is about 284.7084943909.

The spelling of 23078165 in words is "twenty-three million, seventy-eight thousand, one hundred sixty-five".