34205123551 has 8 divisors (see below), whose sum is σ = 35484860880. Its totient is φ = 32932069632.

The previous prime is 34205123531. The next prime is 34205123567. The reversal of 34205123551 is 15532150243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34205123551 - 2¹⁹ = 34204599263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34205123501) 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 in 7 ways as a sum of consecutive naturals, for example, 1660425 + ... + 1680898.

It is an arithmetic number, because the mean of its divisors is an integer number (4435607610).

Almost surely, 2^34205123551 is an apocalyptic number.

34205123551 is a deficient number, since it is larger than the sum of its proper divisors (1279737329).

34205123551 is a wasteful number, since it uses less digits than its factorization.

34205123551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341705.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 34205123551 its reverse (15532150243), we get a palindrome (49737273794).

The spelling of 34205123551 in words is "thirty-four billion, two hundred five million, one hundred twenty-three thousand, five hundred fifty-one".