23553343 has 4 divisors (see below), whose sum is σ = 25694568. Its totient is φ = 21412120.

The previous prime is 23553329. The next prime is 23553353. The reversal of 23553343 is 34335532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23553343 - 2¹⁷ = 23422271 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 (23553353) 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, 1070596 + ... + 1070617.

It is an arithmetic number, because the mean of its divisors is an integer number (6423642).

Almost surely, 2^23553343 is an apocalyptic number.

23553343 is a deficient number, since it is larger than the sum of its proper divisors (2141225).

23553343 is a wasteful number, since it uses less digits than its factorization.

23553343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141224.

The product of its digits is 16200, while the sum is 28.

The square root of 23553343 is about 4853.1786490917. The cubic root of 23553343 is about 286.6492779850.

Adding to 23553343 its reverse (34335532), we get a palindrome (57888875).

The spelling of 23553343 in words is "twenty-three million, five hundred fifty-three thousand, three hundred forty-three".