23739149 has 8 divisors (see below), whose sum is σ = 28005888. Its totient is φ = 19691280.

The previous prime is 23739143. The next prime is 23739203. The reversal of 23739149 is 94193732.

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

It is not a de Polignac number, because 23739149 - 2²⁰ = 22690573 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 (23739143) 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, 54482 + ... + 54915.

It is an arithmetic number, because the mean of its divisors is an integer number (3500736).

Almost surely, 2^23739149 is an apocalyptic number.

It is an amenable number.

23739149 is a deficient number, since it is larger than the sum of its proper divisors (4266739).

23739149 is a wasteful number, since it uses less digits than its factorization.

23739149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109435.

The product of its digits is 40824, while the sum is 38.

The square root of 23739149 is about 4872.2837561045. The cubic root of 23739149 is about 287.4010709403.

The spelling of 23739149 in words is "twenty-three million, seven hundred thirty-nine thousand, one hundred forty-nine".