23831149 has 8 divisors (see below), whose sum is σ = 25142240. Its totient is φ = 22525776.

The previous prime is 23831131. The next prime is 23831153. The reversal of 23831149 is 94113832.

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 23831149 - 2¹⁵ = 23798381 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 23831149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23831849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9247 + ... + 11539.

It is an arithmetic number, because the mean of its divisors is an integer number (3142780).

Almost surely, 2^23831149 is an apocalyptic number.

It is an amenable number.

23831149 is a deficient number, since it is larger than the sum of its proper divisors (1311091).

23831149 is a wasteful number, since it uses less digits than its factorization.

23831149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its digits is 5184, while the sum is 31.

The square root of 23831149 is about 4881.7157844348. The cubic root of 23831149 is about 287.7718623145.

The spelling of 23831149 in words is "twenty-three million, eight hundred thirty-one thousand, one hundred forty-nine".