33381422423 has 2 divisors, whose sum is σ = 33381422424. Its totient is φ = 33381422422.

The previous prime is 33381422401. The next prime is 33381422447. The reversal of 33381422423 is 32422418333.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33381422423 - 2¹² = 33381418327 is a prime.

It is a super-2 number, since 2×33381422423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33381322423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16690711211 + 16690711212.

It is an arithmetic number, because the mean of its divisors is an integer number (16690711212).

Almost surely, 2^33381422423 is an apocalyptic number.

33381422423 is a deficient number, since it is larger than the sum of its proper divisors (1).

33381422423 is an equidigital number, since it uses as much as digits as its factorization.

33381422423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

The spelling of 33381422423 in words is "thirty-three billion, three hundred eighty-one million, four hundred twenty-two thousand, four hundred twenty-three".