23213303033 has 4 divisors (see below), whose sum is σ = 23341553508. Its totient is φ = 23085052560.

The previous prime is 23213303017. The next prime is 23213303039. The reversal of 23213303033 is 33030331232.

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 4204614649 + 19008688384 = 64843^2 + 137872^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213303033 - 2⁴ = 23213303017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213303039) 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, 64124966 + ... + 64125327.

It is an arithmetic number, because the mean of its divisors is an integer number (5835388377).

Almost surely, 2^23213303033 is an apocalyptic number.

It is an amenable number.

23213303033 is a deficient number, since it is larger than the sum of its proper divisors (128250475).

23213303033 is a wasteful number, since it uses less digits than its factorization.

23213303033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128250474.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 23213303033 its reverse (33030331232), we get a palindrome (56243634265).

The spelling of 23213303033 in words is "twenty-three billion, two hundred thirteen million, three hundred three thousand, thirty-three".