33434640223 has 2 divisors, whose sum is σ = 33434640224. Its totient is φ = 33434640222.

The previous prime is 33434640221. The next prime is 33434640251. The reversal of 33434640223 is 32204643433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33434640223 - 2¹ = 33434640221 is a prime.

It is a super-2 number, since 2×33434640223² (a number of 22 digits) contains 22 as substring.

Together with 33434640221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33434640221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16717320111 + 16717320112.

It is an arithmetic number, because the mean of its divisors is an integer number (16717320112).

Almost surely, 2^33434640223 is an apocalyptic number.

33434640223 is a deficient number, since it is larger than the sum of its proper divisors (1).

33434640223 is an equidigital number, since it uses as much as digits as its factorization.

33434640223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 34.

The spelling of 33434640223 in words is "thirty-three billion, four hundred thirty-four million, six hundred forty thousand, two hundred twenty-three".