23909383 has 2 divisors, whose sum is σ = 23909384. Its totient is φ = 23909382.

The previous prime is 23909371. The next prime is 23909387. The reversal of 23909383 is 38390932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23909383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23909387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11954691 + 11954692.

It is an arithmetic number, because the mean of its divisors is an integer number (11954692).

Almost surely, 2^23909383 is an apocalyptic number.

23909383 is a deficient number, since it is larger than the sum of its proper divisors (1).

23909383 is an equidigital number, since it uses as much as digits as its factorization.

23909383 is an evil number, because the sum of its binary digits is even.

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

The square root of 23909383 is about 4889.7221802471. The cubic root of 23909383 is about 288.0864219488.

The spelling of 23909383 in words is "twenty-three million, nine hundred nine thousand, three hundred eighty-three".