23149937 has 8 divisors (see below), whose sum is σ = 25577856. Its totient is φ = 20840512.

The previous prime is 23149933. The next prime is 23149939. The reversal of 23149937 is 73994132.

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 23149937 - 2² = 23149933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23149937.

It is not an unprimeable number, because it can be changed into a prime (23149933) 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, 29213 + ... + 29994.

It is an arithmetic number, because the mean of its divisors is an integer number (3197232).

Almost surely, 2^23149937 is an apocalyptic number.

It is an amenable number.

23149937 is a deficient number, since it is larger than the sum of its proper divisors (2427919).

23149937 is a wasteful number, since it uses less digits than its factorization.

23149937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59247.

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

The square root of 23149937 is about 4811.4381425931. The cubic root of 23149937 is about 285.0033322684.

The spelling of 23149937 in words is "twenty-three million, one hundred forty-nine thousand, nine hundred thirty-seven".