23530455 has 96 divisors (see below), whose sum is σ = 48484800. Its totient is φ = 10450944.

The previous prime is 23530447. The next prime is 23530471. The reversal of 23530455 is 55403532.

It is not a de Polignac number, because 23530455 - 2³ = 23530447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 322299 + ... + 322371.

It is an arithmetic number, because the mean of its divisors is an integer number (505050).

Almost surely, 2^23530455 is an apocalyptic number.

23530455 is an abundant number, since it is smaller than the sum of its proper divisors (24954345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23530455 is a wasteful number, since it uses less digits than its factorization.

23530455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 23530455 is about 4850.8200337675. The cubic root of 23530455 is about 286.5563972562.

Adding to 23530455 its reverse (55403532), we get a palindrome (78933987).

The spelling of 23530455 in words is "twenty-three million, five hundred thirty thousand, four hundred fifty-five".