33400342343 has 4 divisors (see below), whose sum is σ = 33533411688. Its totient is φ = 33267273000.

The previous prime is 33400342337. The next prime is 33400342361. The reversal of 33400342343 is 34324300433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34324300433 = 89 ⋅385666297.

It is a cyclic number.

It is not a de Polignac number, because 33400342343 - 2²² = 33396148039 is a prime.

It is a super-2 number, since 2×33400342343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400342373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66534296 + ... + 66534797.

It is an arithmetic number, because the mean of its divisors is an integer number (8383352922).

Almost surely, 2^33400342343 is an apocalyptic number.

33400342343 is a deficient number, since it is larger than the sum of its proper divisors (133069345).

33400342343 is a wasteful number, since it uses less digits than its factorization.

33400342343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133069344.

The product of its (nonzero) digits is 31104, while the sum is 29.

Adding to 33400342343 its reverse (34324300433), we get a palindrome (67724642776).

The spelling of 33400342343 in words is "thirty-three billion, four hundred million, three hundred forty-two thousand, three hundred forty-three".