33040424423 has 2 divisors, whose sum is σ = 33040424424. Its totient is φ = 33040424422.

The previous prime is 33040424419. The next prime is 33040424429. The reversal of 33040424423 is 32442404033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33040424423 - 2² = 33040424419 is a prime.

It is a super-4 number, since 4×33040424423⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33040424429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16520212211 + 16520212212.

It is an arithmetic number, because the mean of its divisors is an integer number (16520212212).

Almost surely, 2^33040424423 is an apocalyptic number.

33040424423 is a deficient number, since it is larger than the sum of its proper divisors (1).

33040424423 is an equidigital number, since it uses as much as digits as its factorization.

33040424423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 33040424423 its reverse (32442404033), we get a palindrome (65482828456).

The spelling of 33040424423 in words is "thirty-three billion, forty million, four hundred twenty-four thousand, four hundred twenty-three".