23033340533 has 4 divisors (see below), whose sum is σ = 26323817760. Its totient is φ = 19742863308.

The previous prime is 23033340523. The next prime is 23033340563. The reversal of 23033340533 is 33504333032.

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 23033340533 - 2²⁰ = 23032291957 is a prime.

It is a super-2 number, since 2×23033340533² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23033340496 and 23033340505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23033340503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645238603 + ... + 1645238616.

It is an arithmetic number, because the mean of its divisors is an integer number (6580954440).

Almost surely, 2^23033340533 is an apocalyptic number.

It is an amenable number.

23033340533 is a deficient number, since it is larger than the sum of its proper divisors (3290477227).

23033340533 is an equidigital number, since it uses as much as digits as its factorization.

23033340533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290477226.

The product of its (nonzero) digits is 29160, while the sum is 29.

Adding to 23033340533 its reverse (33504333032), we get a palindrome (56537673565).

The spelling of 23033340533 in words is "twenty-three billion, thirty-three million, three hundred forty thousand, five hundred thirty-three".