23522971 has 8 divisors (see below), whose sum is σ = 24164784. Its totient is φ = 22884480.

The previous prime is 23522959. The next prime is 23523013. The reversal of 23522971 is 17922532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23522971 - 2⁷ = 23522843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23522911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20895 + ... + 21991.

It is an arithmetic number, because the mean of its divisors is an integer number (3020598).

Almost surely, 2^23522971 is an apocalyptic number.

23522971 is a deficient number, since it is larger than the sum of its proper divisors (641813).

23522971 is a wasteful number, since it uses less digits than its factorization.

23522971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its digits is 7560, while the sum is 31.

The square root of 23522971 is about 4850.0485564580. The cubic root of 23522971 is about 286.5260137173.

The spelling of 23522971 in words is "twenty-three million, five hundred twenty-two thousand, nine hundred seventy-one".