23145379 has 2 divisors, whose sum is σ = 23145380. Its totient is φ = 23145378.

The previous prime is 23145373. The next prime is 23145389. The reversal of 23145379 is 97354132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23145379 - 2³ = 23145371 is a prime.

It is not a weakly prime, because it can be changed into another prime (23145371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572689 + 11572690.

It is an arithmetic number, because the mean of its divisors is an integer number (11572690).

Almost surely, 2^23145379 is an apocalyptic number.

23145379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145379 is an equidigital number, since it uses as much as digits as its factorization.

23145379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 23145379 is about 4810.9644563227. The cubic root of 23145379 is about 284.9846262354.

The spelling of 23145379 in words is "twenty-three million, one hundred forty-five thousand, three hundred seventy-nine".