23016389 has 8 divisors (see below), whose sum is σ = 25453632. Its totient is φ = 20636640.

The previous prime is 23016377. The next prime is 23016397. The reversal of 23016389 is 98361032.

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 23016389 - 2¹⁶ = 22950853 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 not an unprimeable number, because it can be changed into a prime (23016319) 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, 13529 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (3181704).

Almost surely, 2^23016389 is an apocalyptic number.

It is an amenable number.

23016389 is a deficient number, since it is larger than the sum of its proper divisors (2437243).

23016389 is a wasteful number, since it uses less digits than its factorization.

23016389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28747.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23016389 is about 4797.5398904022. The cubic root of 23016389 is about 284.4542299705.

The spelling of 23016389 in words is "twenty-three million, sixteen thousand, three hundred eighty-nine".