23990383 has 4 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 22579168.

The previous prime is 23990377. The next prime is 23990387. The reversal of 23990383 is 38309932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23990383 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 (23990387) 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, 705583 + ... + 705616.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^23990383 is an apocalyptic number.

23990383 is a deficient number, since it is larger than the sum of its proper divisors (1411217).

23990383 is a wasteful number, since it uses less digits than its factorization.

23990383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411216.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 23990383 is about 4897.9978562674. The cubic root of 23990383 is about 288.4113808194.

The spelling of 23990383 in words is "twenty-three million, nine hundred ninety thousand, three hundred eighty-three".