34043421423 has 32 divisors (see below), whose sum is σ = 49701358080. Its totient is φ = 20556005760.

The previous prime is 34043421397. The next prime is 34043421443. The reversal of 34043421423 is 32412434043.

It is a happy number.

It is not a de Polignac number, because 34043421423 - 2¹² = 34043417327 is a prime.

It is a super-3 number, since 3×34043421423³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34043421443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14442361 + ... + 14444717.

It is an arithmetic number, because the mean of its divisors is an integer number (1553167440).

Almost surely, 2^34043421423 is an apocalyptic number.

34043421423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

34043421423 is a deficient number, since it is larger than the sum of its proper divisors (15657936657).

34043421423 is a wasteful number, since it uses less digits than its factorization.

34043421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 34043421423 its reverse (32412434043), we get a palindrome (66455855466).

The spelling of 34043421423 in words is "thirty-four billion, forty-three million, four hundred twenty-one thousand, four hundred twenty-three".