23223533 has 4 divisors (see below), whose sum is σ = 23233980. Its totient is φ = 23213088.

The previous prime is 23223527. The next prime is 23223553. The reversal of 23223533 is 33532232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14235529 + 8988004 = 3773^2 + 2998^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223533 - 2¹² = 23219437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23223499 and 23223508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223503) 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, 410 + ... + 6827.

It is an arithmetic number, because the mean of its divisors is an integer number (5808495).

Almost surely, 2^23223533 is an apocalyptic number.

It is an amenable number.

23223533 is a deficient number, since it is larger than the sum of its proper divisors (10447).

23223533 is an equidigital number, since it uses as much as digits as its factorization.

23223533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10446.

The product of its digits is 3240, while the sum is 23.

The square root of 23223533 is about 4819.0800989400. The cubic root of 23223533 is about 285.3050309597.

Adding to 23223533 its reverse (33532232), we get a palindrome (56755765).

The spelling of 23223533 in words is "twenty-three million, two hundred twenty-three thousand, five hundred thirty-three".