23435533 has 4 divisors (see below), whose sum is σ = 25566048. Its totient is φ = 21305020.

The previous prime is 23435527. The next prime is 23435543. The reversal of 23435533 is 33553432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23435533 - 2⁵ = 23435501 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 (23435543) 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, 1065241 + ... + 1065262.

It is an arithmetic number, because the mean of its divisors is an integer number (6391512).

Almost surely, 2^23435533 is an apocalyptic number.

It is an amenable number.

23435533 is a deficient number, since it is larger than the sum of its proper divisors (2130515).

23435533 is a wasteful number, since it uses less digits than its factorization.

23435533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130514.

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

The square root of 23435533 is about 4841.0260276103. The cubic root of 23435533 is about 286.1705545373.

Adding to 23435533 its reverse (33553432), we get a palindrome (56988965).

The spelling of 23435533 in words is "twenty-three million, four hundred thirty-five thousand, five hundred thirty-three".