23700149 has 6 divisors (see below), whose sum is σ = 26050710. Its totient is φ = 21545480.

The previous prime is 23700133. The next prime is 23700167. The reversal of 23700149 is 94100732.

It can be written as a sum of positive squares in only one way, i.e., 23107249 + 592900 = 4807^2 + 770^2 .

It is not a de Polignac number, because 23700149 - 2⁴ = 23700133 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 (23700349) 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 5 ways as a sum of consecutive naturals, for example, 97814 + ... + 98055.

It is an arithmetic number, because the mean of its divisors is an integer number (4341785).

Almost surely, 2^23700149 is an apocalyptic number.

It is an amenable number.

23700149 is a deficient number, since it is larger than the sum of its proper divisors (2350561).

23700149 is a wasteful number, since it uses less digits than its factorization.

23700149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195891 (or 195880 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23700149 is about 4868.2798810257. The cubic root of 23700149 is about 287.2435984962.

The spelling of 23700149 in words is "twenty-three million, seven hundred thousand, one hundred forty-nine".