23161379 has 2 divisors, whose sum is σ = 23161380. Its totient is φ = 23161378.

The previous prime is 23161373. The next prime is 23161381. The reversal of 23161379 is 97316132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23161379 - 2⁴ = 23161363 is a prime.

Together with 23161381, 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 (23161373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11580689 + 11580690.

It is an arithmetic number, because the mean of its divisors is an integer number (11580690).

Almost surely, 2^23161379 is an apocalyptic number.

23161379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23161379 is an equidigital number, since it uses as much as digits as its factorization.

23161379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 23161379 is about 4812.6270372843. The cubic root of 23161379 is about 285.0502794231.

The spelling of 23161379 in words is "twenty-three million, one hundred sixty-one thousand, three hundred seventy-nine".