23506001 has 4 divisors (see below), whose sum is σ = 23524404. Its totient is φ = 23487600.

The previous prime is 23505971. The next prime is 23506003. The reversal of 23506001 is 10060532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18105025 + 5400976 = 4255^2 + 2324^2 .

It is a cyclic number.

It is not a de Polignac number, because 23506001 - 2¹⁰ = 23504977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23506003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7130 + ... + 9891.

It is an arithmetic number, because the mean of its divisors is an integer number (5881101).

Almost surely, 2^23506001 is an apocalyptic number.

It is an amenable number.

23506001 is a deficient number, since it is larger than the sum of its proper divisors (18403).

23506001 is a wasteful number, since it uses less digits than its factorization.

23506001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18402.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23506001 is about 4848.2987737968. The cubic root of 23506001 is about 286.4570950393.

Adding to 23506001 its reverse (10060532), we get a palindrome (33566533).

The spelling of 23506001 in words is "twenty-three million, five hundred six thousand, one".