23553671 has 2 divisors, whose sum is σ = 23553672. Its totient is φ = 23553670.

The previous prime is 23553643. The next prime is 23553683. The reversal of 23553671 is 17635532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23553671 - 2²² = 19359367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23553071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11776835 + 11776836.

It is an arithmetic number, because the mean of its divisors is an integer number (11776836).

Almost surely, 2^23553671 is an apocalyptic number.

23553671 is a deficient number, since it is larger than the sum of its proper divisors (1).

23553671 is an equidigital number, since it uses as much as digits as its factorization.

23553671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 23553671 is about 4853.2124412599. The cubic root of 23553671 is about 286.6506085891.

The spelling of 23553671 in words is "twenty-three million, five hundred fifty-three thousand, six hundred seventy-one".