23888749 has 4 divisors (see below), whose sum is σ = 23952160. Its totient is φ = 23825340.

The previous prime is 23888729. The next prime is 23888771. The reversal of 23888749 is 94788832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23888749 - 2¹³ = 23880557 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 (23888729) 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 3 ways as a sum of consecutive naturals, for example, 31137 + ... + 31894.

It is an arithmetic number, because the mean of its divisors is an integer number (5988040).

Almost surely, 2^23888749 is an apocalyptic number.

It is an amenable number.

23888749 is a deficient number, since it is larger than the sum of its proper divisors (63411).

23888749 is an equidigital number, since it uses as much as digits as its factorization.

23888749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63410.

The product of its digits is 774144, while the sum is 49.

The square root of 23888749 is about 4887.6117890029. The cubic root of 23888749 is about 288.0035244232.

The spelling of 23888749 in words is "twenty-three million, eight hundred eighty-eight thousand, seven hundred forty-nine".