23905379 has 2 divisors, whose sum is σ = 23905380. Its totient is φ = 23905378.

The previous prime is 23905339. The next prime is 23905381. The reversal of 23905379 is 97350932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23905379 is a prime.

Together with 23905381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23905339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11952689 + 11952690.

It is an arithmetic number, because the mean of its divisors is an integer number (11952690).

Almost surely, 2^23905379 is an apocalyptic number.

23905379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23905379 is an equidigital number, since it uses as much as digits as its factorization.

23905379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 23905379 is about 4889.3127328900. The cubic root of 23905379 is about 288.0703395258.

The spelling of 23905379 in words is "twenty-three million, nine hundred five thousand, three hundred seventy-nine".