23539379 has 2 divisors, whose sum is σ = 23539380. Its totient is φ = 23539378.

The previous prime is 23539357. The next prime is 23539403. The reversal of 23539379 is 97393532.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23539379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23539079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769689 + 11769690.

It is an arithmetic number, because the mean of its divisors is an integer number (11769690).

Almost surely, 2^23539379 is an apocalyptic number.

23539379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23539379 is an equidigital number, since it uses as much as digits as its factorization.

23539379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 41.

The square root of 23539379 is about 4851.7397910440. The cubic root of 23539379 is about 286.5926184864.

The spelling of 23539379 in words is "twenty-three million, five hundred thirty-nine thousand, three hundred seventy-nine".