23164989 has 8 divisors (see below), whose sum is σ = 30968832. Its totient is φ = 15402240.

The previous prime is 23164987. The next prime is 23164991. The reversal of 23164989 is 98946132.

It is an interprime number because it is at equal distance from previous prime (23164987) and next prime (23164991).

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

It is not a de Polignac number, because 23164989 - 2¹ = 23164987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23164989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23164987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8932 + ... + 11229.

It is an arithmetic number, because the mean of its divisors is an integer number (3871104).

Almost surely, 2^23164989 is an apocalyptic number.

It is an amenable number.

23164989 is a deficient number, since it is larger than the sum of its proper divisors (7803843).

23164989 is a wasteful number, since it uses less digits than its factorization.

23164989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20547.

The product of its digits is 93312, while the sum is 42.

The square root of 23164989 is about 4813.0020777058. The cubic root of 23164989 is about 285.0650882427.

The spelling of 23164989 in words is "twenty-three million, one hundred sixty-four thousand, nine hundred eighty-nine".