23477453 has 4 divisors (see below), whose sum is σ = 23497500. Its totient is φ = 23457408.

The previous prime is 23477437. The next prime is 23477477. The reversal of 23477453 is 35477432.

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 14845609 + 8631844 = 3853^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 23477453 - 2⁴ = 23477437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23477413) 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, 8150 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (5874375).

Almost surely, 2^23477453 is an apocalyptic number.

It is an amenable number.

23477453 is a deficient number, since it is larger than the sum of its proper divisors (20047).

23477453 is a wasteful number, since it uses less digits than its factorization.

23477453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046.

The product of its digits is 70560, while the sum is 35.

The square root of 23477453 is about 4845.3537538553. The cubic root of 23477453 is about 286.3410808349.

The spelling of 23477453 in words is "twenty-three million, four hundred seventy-seven thousand, four hundred fifty-three".