23577971 has 2 divisors, whose sum is σ = 23577972. Its totient is φ = 23577970.

The previous prime is 23577959. The next prime is 23577979. The reversal of 23577971 is 17977532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23577971 - 2¹⁸ = 23315827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23577979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11788985 + 11788986.

It is an arithmetic number, because the mean of its divisors is an integer number (11788986).

Almost surely, 2^23577971 is an apocalyptic number.

23577971 is a deficient number, since it is larger than the sum of its proper divisors (1).

23577971 is an equidigital number, since it uses as much as digits as its factorization.

23577971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 23577971 is about 4855.7152923128. The cubic root of 23577971 is about 286.7491525446.

The spelling of 23577971 in words is "twenty-three million, five hundred seventy-seven thousand, nine hundred seventy-one".