23513001 has 8 divisors (see below), whose sum is σ = 31428960. Its totient is φ = 15636192.

The previous prime is 23512981. The next prime is 23513003. The reversal of 23513001 is 10031532.

It is a happy number.

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

It is not a de Polignac number, because 23513001 - 2¹³ = 23504809 is a prime.

It is a super-2 number, since 2×23513001² = 1105722432052002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23513003) 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, 8355 + ... + 10808.

It is an arithmetic number, because the mean of its divisors is an integer number (3928620).

Almost surely, 2^23513001 is an apocalyptic number.

It is an amenable number.

23513001 is a deficient number, since it is larger than the sum of its proper divisors (7915959).

23513001 is a wasteful number, since it uses less digits than its factorization.

23513001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19575.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 23513001 is about 4849.0206227650. The cubic root of 23513001 is about 286.4855275043.

Adding to 23513001 its reverse (10031532), we get a palindrome (33544533).

The spelling of 23513001 in words is "twenty-three million, five hundred thirteen thousand, one".