23434571 has 4 divisors (see below), whose sum is σ = 23592000. Its totient is φ = 23277144.

The previous prime is 23434561. The next prime is 23434573. The reversal of 23434571 is 17543432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23434571 - 2²² = 19240267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23434573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78491 + ... + 78788.

It is an arithmetic number, because the mean of its divisors is an integer number (5898000).

Almost surely, 2^23434571 is an apocalyptic number.

23434571 is a deficient number, since it is larger than the sum of its proper divisors (157429).

23434571 is a wasteful number, since it uses less digits than its factorization.

23434571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157428.

The product of its digits is 10080, while the sum is 29.

The square root of 23434571 is about 4840.9266674884. The cubic root of 23434571 is about 286.1666388332.

The spelling of 23434571 in words is "twenty-three million, four hundred thirty-four thousand, five hundred seventy-one".