23521253 has 8 divisors (see below), whose sum is σ = 27038208. Its totient is φ = 20043504.

The previous prime is 23521243. The next prime is 23521261. The reversal of 23521253 is 35212532.

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 23521253 - 2⁶ = 23521189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23521213) 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, 8501 + ... + 10922.

It is an arithmetic number, because the mean of its divisors is an integer number (3379776).

Almost surely, 2^23521253 is an apocalyptic number.

It is an amenable number.

23521253 is a deficient number, since it is larger than the sum of its proper divisors (3516955).

23521253 is a wasteful number, since it uses less digits than its factorization.

23521253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19603.

The product of its digits is 1800, while the sum is 23.

The square root of 23521253 is about 4849.8714415951. The cubic root of 23521253 is about 286.5190380725.

Adding to 23521253 its reverse (35212532), we get a palindrome (58733785).

The spelling of 23521253 in words is "twenty-three million, five hundred twenty-one thousand, two hundred fifty-three".