23149317 has 8 divisors (see below), whose sum is σ = 31372000. Its totient is φ = 15179760.

The previous prime is 23149307. The next prime is 23149319. The reversal of 23149317 is 71394132.

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

It is not a de Polignac number, because 23149317 - 2¹⁴ = 23132933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23149319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63067 + ... + 63432.

It is an arithmetic number, because the mean of its divisors is an integer number (3921500).

Almost surely, 2^23149317 is an apocalyptic number.

It is an amenable number.

23149317 is a deficient number, since it is larger than the sum of its proper divisors (8222683).

23149317 is a wasteful number, since it uses less digits than its factorization.

23149317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126563.

The product of its digits is 4536, while the sum is 30.

The square root of 23149317 is about 4811.3737123612. The cubic root of 23149317 is about 285.0007879326. Note that the first 3 decimals are identical.

The spelling of 23149317 in words is "twenty-three million, one hundred forty-nine thousand, three hundred seventeen".