33423045305 has 16 divisors (see below), whose sum is σ = 43200711120. Its totient is φ = 24677146368.

The previous prime is 33423045301. The next prime is 33423045349. The reversal of 33423045305 is 50354032433.

It can be written as a sum of positive squares in 8 ways, for example, as 2062885561 + 31360159744 = 45419^2 + 177088^2 .

It is a cyclic number.

It is not a de Polignac number, because 33423045305 - 2² = 33423045301 is a prime.

It is a super-2 number, since 2×33423045305² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33423045301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337679 + ... + 425291.

It is an arithmetic number, because the mean of its divisors is an integer number (2700044445).

Almost surely, 2^33423045305 is an apocalyptic number.

It is an amenable number.

33423045305 is a deficient number, since it is larger than the sum of its proper divisors (9777665815).

33423045305 is a wasteful number, since it uses less digits than its factorization.

33423045305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93500.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 33423045305 its reverse (50354032433), we get a palindrome (83777077738).

The spelling of 33423045305 in words is "thirty-three billion, four hundred twenty-three million, forty-five thousand, three hundred five".