23008453 has 4 divisors (see below), whose sum is σ = 24778348. Its totient is φ = 21238560.

The previous prime is 23008409. The next prime is 23008549. The reversal of 23008453 is 35480032.

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 12659364 + 10349089 = 3558^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 23008453 - 2¹³ = 23000261 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 (23008553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884928 + ... + 884953.

It is an arithmetic number, because the mean of its divisors is an integer number (6194587).

Almost surely, 2^23008453 is an apocalyptic number.

It is an amenable number.

23008453 is a deficient number, since it is larger than the sum of its proper divisors (1769895).

23008453 is a wasteful number, since it uses less digits than its factorization.

23008453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769894.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23008453 is about 4796.7127285257. The cubic root of 23008453 is about 284.4215331492.

Adding to 23008453 its reverse (35480032), we get a palindrome (58488485).

The spelling of 23008453 in words is "twenty-three million, eight thousand, four hundred fifty-three".